GE Multilin 345 Bedienungsanleitung

Instruction manual

345 revision: 2.3x

Manual P/N: 1601-9098-AF

GE publication code: GEK-113568P

*1601-9098-AF*

Grid Solutions

345

Transformer Protection

System

Transformer protection and control

LISTED

52TL

IND.CONT. EQ.

E83849

GE Multilin 345 Transformer Protection System instruction manual for revision 2.3x.

345 Transformer Protection System, EnerVista, EnerVista Launchpad, and EnerVista

3 Series Setup are trademarks or registered trademarks of GE Multilin Inc.

The contents of this manual are the property of GE Multilin Inc. This documentation is

furnished on license and may not be reproduced in whole or in part without the permission

of GE Multilin. The content of this manual is for informational use only and is subject to

change without notice.

Part number: 1601-9098-AF (September 2017)

Storage

Store the unit indoors in a cool, dry place. If possible, store in the original packaging. Follow

the storage temperature range outlined in the Specifications.

To avoid deterioration of electrolytic capacitors, power up units that are stored in a de-

energized state once per year, for one hour continuously.

This product cannot be disposed of as unsorted municipal waste in the European

Union. For proper recycling return this product to your supplier or a designated

collection point. For more information go to www.recyclethis.info.

Note GENERAL SAFETY PRECAUTIONS - 345

• Failure to observe and follow the instructions provided in the equipment manual(s)

could cause irreversible damage to the equipment and could lead to property

damage, personal injury and/or death.

• Before attempting to use the equipment, it is important that all danger and

caution indicators are reviewed.

• If the equipment is used in a manner not specified by the manufacturer or

functions abnormally, proceed with caution. Otherwise, the protection provided by

the equipment may be impaired and can result in Impaired operation and injury.

• Caution: Hazardous voltages can cause shock, burns or death.

• Installation/service personnel must be familiar with general device test practices,

electrical awareness and safety precautions must be followed.

• Before performing visual inspections, tests, or periodic maintenance on this device

or associated circuits, isolate or disconnect all hazardous live circuits and sources

of electric power.

• Failure to shut equipment off prior to removing the power connections could

expose you to dangerous voltages causing injury or death.

• All recommended equipment that should be grounded and must have a reliable

and un-compromised grounding path for safety purposes, protection against

electromagnetic interference and proper device operation.

• Equipment grounds should be bonded together and connected to the facility’s

main ground system for primary power.

• Keep all ground leads as short as possible.

• At all times, equipment ground terminal must be grounded during device

operation and service.

• In addition to the safety precautions mentioned all electrical connections made

must respect the applicable local jurisdiction electrical code.

• Before working on CTs, they must be short-circuited.

• LED transmitters are classified as IEC 60825-1 Accessible Emission Limit (AEL) Class

1M. Class 1M devices are considered safe to the unaided eye. Do not view directly

with optical instruments.

Safety words and definitions

The following symbols used in this document indicate the following conditions

Note Indicates a hazardous situation which, if not avoided, will result in death or serious

injury.

Note Indicates a hazardous situation which, if not avoided, could result in death or serious

injury.

Note Indicates a hazardous situation which, if not avoided, could result in minor or

moderate injury.

Note Indicates practices not related to personal injury.

For further assistance

For product support, contact the information and call center as follows:

GE Grid Solutions

650 Markland Street

Markham, Ontario

Canada L6C 0M1

Worldwide telephone: +1 905 927 7070

Europe/Middle East/Africa telephone: +34 94 485 88 54

North America toll-free: 1 800 547 8629

Fax: +1 905 927 5098

Worldwide e-mail: multil[email protected]

Europe e-mail: multil[email protected]

Website: http://www.gegridsolutions.com/multilin

345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL TOC-1

Table of Contents

1. INTRODUCTION Overview ............................................................................................................................ 1 - 1

Description of the 345 Transformer Protection System.............................. 1 - 2

345 order codes.............................................................................................................. 1 - 7

Specifications................................................................................................................... 1 - 9

Password security................................................................................................................1 - 9

Protection.................................................................................................................................1 - 9

Metering....................................................................................................................................1 - 11

Data capture ..........................................................................................................................1 - 12

Control.......................................................................................................................................1 - 12

Monitoring................................................................................................................................1 - 14

Inputs .........................................................................................................................................1 - 14

Outputs......................................................................................................................................1 - 15

Power supply..........................................................................................................................1 - 15

Communications ..................................................................................................................1 - 16

Testing and certification ...................................................................................................1 - 17

Physical.....................................................................................................................................1 - 18

Environmental........................................................................................................................1 - 19

2. INSTALLATION Mechanical installation ...............................................................................................2 - 1

Dimensions..............................................................................................................................2 - 1

Product identification .........................................................................................................2 - 3

Mounting ..................................................................................................................................2 - 4

Standard panel mount.....................................................................................................2 - 4

Drawout unit withdrawal and insertion.....................................................................2 - 9

IP20 Cover (optional) ...........................................................................................................2 - 10

Electrical installation .................................................................................................... 2 - 11

Typical Wiring Diagrams ..................................................................................................2 - 12

345 Terminal identification..............................................................................................2 - 14

Wire range...............................................................................................................................2 - 17

RMIO module installation..................................................................................................2 - 18

Phase sequence and transformer polarity..............................................................2 - 19

Current inputs ........................................................................................................................2 - 19

Ground and sensitive ground CT inputs ....................................................................2 - 20

Zero sequence CT installation........................................................................................2 - 21

Control power ........................................................................................................................2 - 21

Contact inputs .......................................................................................................................2 - 22

Trip1 and Trip2 output relays .........................................................................................2 - 23

Serial communications......................................................................................................2 - 25

IRIG-B .........................................................................................................................................2 - 26

3. INTERFACES Front control panel interface.................................................................................... 3 - 2

Description ..............................................................................................................................3 - 3

Display.......................................................................................................................................3 - 4

Working with the Keypad...............................................................................................3 - 4

LED status indicators - Front panel with non-programmable LEDs ............3 - 5

LED status indicators - Front panel with programmable LEDs ......................3 - 7

Relay messages....................................................................................................................3 - 8

Target messages.................................................................................................................3 - 8

Self-test errors......................................................................................................................3 - 9

Flash messages...................................................................................................................3 - 11

TOC-2 345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL

Software setup.................................................................................................................3 - 12

Quick setup - Software interface.................................................................................. 3 - 12

EnerVista 3 Series Setup Software...............................................................................3 - 12

Hardware and software requirements.....................................................................3 - 13

Installing the EnerVista 3 Series Setup software..................................................3 - 13

Upgrading the software...................................................................................................3 - 16

Connecting EnerVista 3 Series Setup to the relay ............................................... 3 - 16

Configuring serial communications...........................................................................3 - 16

Using the Quick Connect feature ................................................................................3 - 17

Configuring Ethernet communications ....................................................................3 - 19

Connecting to the relay ...................................................................................................3 - 20

Working with setpoints and setpoint files................................................................ 3 - 21

Engaging a device..............................................................................................................3 - 21

Entering setpoints...............................................................................................................3 - 21

Setting programmable LEDs..........................................................................................3 - 22

File support ............................................................................................................................3 - 23

Using setpoint files .............................................................................................................3 - 23

Downloading and saving setpoint files ....................................................................3 - 24

Adding setpoint files to the environment ................................................................3 - 24

Creating a new setpoint file...........................................................................................3 - 25

Upgrading setpoint files to a new revision .............................................................3 - 25

Printing setpoints and actual values.........................................................................3 - 26

Printing actual values from a connected device .................................................3 - 27

Loading setpoints from a file.........................................................................................3 - 28

Uninstalling files and clearing data............................................................................3 - 28

Upgrading relay firmware............................................................................................... 3 - 29

Loading new relay firmware .........................................................................................3 - 29

Advanced EnerVista 3 Series Setup features.......................................................... 3 - 31

Transient recorder (Waveform capture)...................................................................3 - 31

Protection summary .........................................................................................................3 - 34

Password security..............................................................................................................3 - 36

4. ACTUAL VALUES Actual values overview ................................................................................................4 - 1

A1 Status.............................................................................................................................4 - 2

Clock........................................................................................................................................... 4 - 2

Contact inputs....................................................................................................................... 4 - 2

Output relays ......................................................................................................................... 4 - 2

Logic elements ...................................................................................................................... 4 - 3

Virtual inputs .......................................................................................................................... 4 - 3

Remote inputs ....................................................................................................................... 4 - 3

Remote outputs .................................................................................................................... 4 - 3

Contact inputs summary ................................................................................................. 4 - 4

Output relays summary ................................................................................................... 4 - 4

Logic elements summary ................................................................................................ 4 - 4

GOOSE status......................................................................................................................... 4 - 5

GOOSE HDR status .............................................................................................................. 4 - 5

61850 status .......................................................................................................................... 4 - 5

A2 Metering .......................................................................................................................4 - 6

Winding 1 Current ...............................................................................................................4-6

Winding 2 Current ...............................................................................................................4-6

Transformer Differential and Restraint Currents .................................................. 4 - 7

Transformer Thermal Capacity..................................................................................... 4 - 8

Current Demand 1(2) .......................................................................................................... 4 - 8

Clear current demand 1 (2)..............................................................................................4 - 9

A3 Records.........................................................................................................................4 - 10

Event records......................................................................................................................... 4 - 10

345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL TOC-3

Transient records .................................................................................................................4 - 12

Fault report..............................................................................................................................4 - 13

Learned data..........................................................................................................................4 - 14

Clear learned data ...............................................................................................................4 - 14

Clear event record ...............................................................................................................4 - 14

Clear transient record ........................................................................................................4 - 14

Clear thermal capacity record.......................................................................................4 - 15

Clear fault report ..................................................................................................................4 - 15

A4 Target messages..................................................................................................... 4 - 16

5. QUICK SETUP -

FRONT CONTROL

PANEL

Quick Setup settings..................................................................................................... 5 - 2

6. SETPOINTS Setpoints Main Menu.................................................................................................... 6 - 1

Setpoint entry methods ....................................................................................................6 - 2

Common setpoints .............................................................................................................6 - 2

Logic diagrams......................................................................................................................6 - 3

Setting text abbreviations................................................................................................6 - 4

S1 Relay setup................................................................................................................. 6 - 5

Clock...........................................................................................................................................6 - 5

Password security................................................................................................................6 - 7

Access passwords..............................................................................................................6 - 8

Communications ..................................................................................................................6 - 10

RS485 interface ...................................................................................................................6 - 10

Ethernet...................................................................................................................................6 - 10

Modbus....................................................................................................................................6 - 11

IEC 60870-5-103 serial communication ..................................................................6 - 12

IEC60870-5-104 protocol................................................................................................6 - 12

DNP communication.........................................................................................................6 - 12

3 Series IEC 61850 GOOSE details...............................................................................6 - 13

Event recorder .......................................................................................................................6 - 14

Transient recorder ...............................................................................................................6 - 15

Fault report..............................................................................................................................6 - 16

Front panel with non-programmable LEDs .............................................................6 - 17

Front panel with programmable LEDs .......................................................................6 - 18

Installation...............................................................................................................................6 - 20

S2 System Setup ............................................................................................................6 - 21

Current sensing.....................................................................................................................6 - 21

Power system ........................................................................................................................6 - 22

Transformer ............................................................................................................................6 - 22

Transformer setup phase & magnitude compensations ..................................6 - 23

Winding breakers .................................................................................................................6 - 35

S3 Protection.................................................................................................................... 6 - 37

Breaker tripping ....................................................................................................................6 - 37

Transformer percent differential (87T)........................................................................6 - 40

Transformer instantaneous differential (50/87).....................................................6 - 45

Restricted ground fault (87G or RGF)...........................................................................6 - 47

Thermal Overload (49)........................................................................................................6 - 52

Time overcurrent curves...................................................................................................6 - 56

Phase timed overcurrent (51P).......................................................................................6 - 60

Phase instantaneous overcurrent (50P).....................................................................6 - 63

Ground timed overcurrent (51G/SG)............................................................................6 - 65

Ground instantaneous overcurrent (50G/SG) .........................................................6 - 68

TOC-4 345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL

Neutral timed overcurrent (51N)................................................................................... 6 - 71

Neutral instantaneous overcurrent (50N)................................................................. 6 - 74

Negative sequence timed overcurrent (51_2)........................................................ 6 - 76

Negative sequence instantaneous overcurrent (50_2)...................................... 6 - 79

S4 Controls.........................................................................................................................6 - 81

Change setpoint group ..................................................................................................... 6 - 81

Virtual inputs .......................................................................................................................... 6 - 82

Logic elements ...................................................................................................................... 6 - 83

Winding breaker failure ....................................................................................................6 - 92

Lockout (86)............................................................................................................................. 6 - 94

S5 Inputs/Outputs ..........................................................................................................6 - 96

Contact inputs....................................................................................................................... 6 - 96

Output relays ......................................................................................................................... 6 - 97

Output Relay 1 - W1 breaker "Trip" ............................................................................6 - 98

Output Relay 2 - W2 breaker "Trip" ............................................................................6 - 98

Auxiliary Output Relays 3 to 6 ......................................................................................6 - 100

Virtual inputs .......................................................................................................................... 6 - 101

Remote inputs ....................................................................................................................... 6 - 102

Remote outputs .................................................................................................................... 6 - 102

S6 Monitoring....................................................................................................................6 - 103

Demand.................................................................................................................................... 6 - 103

Current demand..................................................................................................................6 - 104

RTD temperature monitoring (49T) .............................................................................. 6 - 105

7. MAINTENANCE M1 Relay information ...................................................................................................7 - 2

M3 Breaker maintenance ...........................................................................................7 - 4

Trip coil...................................................................................................................................... 7 - 4

Breaker trip counter............................................................................................................7-8

Breaker health....................................................................................................................... 7 - 10

Reset counters ...................................................................................................................... 7 - 13

M4 Breaker monitor.......................................................................................................7 - 14

M5 Relay maintenance................................................................................................7 - 15

Ambient temperature ........................................................................................................ 7 - 15

M7 Testing..........................................................................................................................7 - 17

Force LEDs............................................................................................................................... 7 - 17

Force output relays.............................................................................................................7-18

General maintenance...................................................................................................7 - 19

In-service maintenance.................................................................................................... 7 - 19

Out-of-service maintenance .......................................................................................... 7 - 19

Unscheduled maintenance (system interruption)................................................ 7 - 19

A. APPENDIX Warranty ............................................................................................................................A - 1

Repairs.................................................................................................................................A - 2

Change Notes...................................................................................................................A - 3

Manual Revision history....................................................................................................A - 3

345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL 1–1

345 Transformer Protection System

Chapter 1: Introduction

Grid Solutions

Introduction

Overview

The 345 is a microprocessor-based relay for primary and backup protection of small to

medium size distribution transformers. The relay provides advanced algorithms for

automatic magnitude and phase compensation for more than twenty types of two-

winding transformers, good sensitivity for the detection of winding ground faults, and the

flexibility to set any of the phase, ground, neutral and negative sequence currents over-

current elements. The 345 relay has a small footprint and is withdrawable for easy

mounting into either new or retrofit installations. The combination of proven hardware,

advanced features, and communications, makes the relay superior for total transformer

metering, monitoring, protection and control. Equipped with serial (RS485), USB, and

Ethernet ports, as well as a wide selection of protocols such as Modbus, DNP3.0, IEC60870-

5-103, 60870-5-104, IEC 61850 GOOSE, the 345 relay is the best-in-class for either MCCs,

SCADA or inter-relay communications. The 345 provides excellent accessibility and

transparency with regard to power system conditions and events, through both its four-

line 20 character display, and the EnerVista SR3 Setup program. Conveniently located

LEDs indicate the relay status, pickup, operation, and alarm events, as well as the status of

each winding breaker.

The 345 relay provides the following key benefits:

• Withdrawable small footprint – saves on rewiring and space.

• Multiple protection groups with the flexibility to switch through a wide selection of

main and backup transformer protections and controls.

• Fast setup (Quick Setup) menu for power system configuration and protection.

• Large four-line LCD display, LEDs, and keypad

• Multiple communication protocols and simultaneous access with easy integration into

monitoring and control systems.

1–2 345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL

DESCRIPTION OF THE 345 TRANSFORMER PROTECTION SYSTEM CHAPTER 1: INTRODUCTION

Description of the 345 Transformer Protection

System

CPU

Relay functions are controlled by two processors: a Freescale MPC5554 32-bit

microprocessor measures all analog signals and digital inputs and controls all output

relays; a Freescale MPC520B 32-bit microprocessor controls all the Ethernet

communication protocols.

Analog Input and Waveform Capture

Magnetic transformers are used to scale-down the incoming analog signals from the

source instrument transformers. The analog signals are then passed through a 960 Hz low

pass anti-aliasing filter. All signals are then simultaneously captured by sample and hold

buffers to ensure there are no phase shifts. The signals are converted to digital values by a

12-bit A/D converter before finally being passed on to the CPU for analysis.

Both current and voltage are sampled thirty-two times per power frequency cycle. These

‘raw’ samples are scaled in software, then placed into the waveform capture buffer, thus

emulating a fault recorder. The waveforms can be retrieved from the relay via the

EnerVista 3 Series Setup software for display and diagnostics.

Phasors, Transients, and Harmonics

Current waveforms are processed four times every cycle with a DC Offset Filter and a

Discrete Fourier Transform (DFT). The resulting phasors have fault current transients and all

harmonics removed. This results in an overcurrent relay that is extremely secure and

reliable; one that will not overreach.

Processing of AC Current Inputs

The DC Offset Filter is an infinite impulse response (IIR) digital filter, which removes the DC

component from the asymmetrical current present at the moment a fault occurs. This is

done for all current signals used for overcurrent protection; voltage signals bypass the DC

Offset Filter. This filter ensures no overreach of the overcurrent protection.

The Discrete Fourier Transform (DFT) uses exactly one sample cycle to calculate a phasor

quantity which represents the signal at the fundamental frequency; all harmonic

components are removed. All subsequent calculations (e.g. RMS, power, etc.) are based

upon the current and voltage phasors, such that the resulting values have no harmonic

components.

Protection Elements

The protection elements are processed four times per power cycle. The protection

elements use RMS current, based on the magnitude of the phasor. Hence, protection is

impervious to both harmonics and DC transients.

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