Delta PQC Series Bedienungsanleitung

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Delta PQC Series

Fixed Type Active Power Filter

User Manual

PQC Series Active Power Filter

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This manual contains important instructions and warnings that you should follow

during the installation, operation, storage and maintenance of this product. Failure

to heed these instructions and warnings will void the warranty.

(“Manual”), including but not limited to the contents, information, and figures are solely owned and

reserved by Delta Electronics Inc. (“Delta”). The Manual can only be applied to the operation or the

use of this product. Any disposition, duplication, dissemination, reproduction, modication, translation,

extraction, or usage of this Manual in whole or in part is prohibited without the prior written permission

of Delta. Given that Delta will continuously improve and develop the product, changes may be made

to the information in this Manual at any time without obligation to notify any person of such revision

or changes. Delta will make all possible efforts to secure the accuracy and the integrity of this

Manual. Delta disclaims any kinds or forms of warranty, guarantee, or undertaking, either expressly

or implicitly, including but not limited to the completeness, faultlessness, accuracy, non-infringement,

merchantability or tness for a particular purpose of the Manual.

Table of Contents

III

Table of Contents

Chapter 1 : Important Safety Instructions ------------------------------------------1

1.1. Safety Precautions ------------------------------------------------------------------ 1

1.2. Wiring Warnings --------------------------------------------------------------------- 1

1.3. Usage Warnings --------------------------------------------------------------------- 2

1.4. Storage Precautions ---------------------------------------------------------------- 2

1.5. Symbols-------------------------------------------------------------------------------- 2

Chapter 2 : Introduction ------------------------------------------------------------------3

2.1 Product Introduction ---------------------------------------------------------------- 3

2.2 APF Series Product Category---------------------------------------------------- 4

2.3 Functions & Features--------------------------------------------------------------- 6

2.4 Mechanism & Appearance -------------------------------------------------------- 7

2.4.1 LCM (Liquid Crystal Monitor)----------------------------------------- 7

2.4.2 Appearance & Dimensions of the Power Module --------------- 8

2.5. Package Inspection ----------------------------------------------------------------10

Chapter 3 : Installation and Wiring-------------------------------------------------- 12

3.1 Pre-installation Conrmation ----------------------------------------------------12

3.2 Installation Environment ----------------------------------------------------------12

3.3 Fixed-type Module -----------------------------------------------------------------14

3.3.1 Fixed-type Module Structure ----------------------------------------14

3.3.2 LCM Structure-----------------------------------------------------------18

3.3.3 Wiring of the Fixed-type Module------------------------------------19

3.4 CT Installation & Wiring for Current Detection of Harmonic Source---26

3.4.1 CT Selection Precautions --------------------------------------------26

3.4.2 Basic CT Installation & Wiring --------------------------------------26

Chapter 4 : APF Operation Procedure --------------------------------------------- 28

4.1 Checks Before Start-up -----------------------------------------------------------28

4.2 Start-up Procedures ---------------------------------------------------------------29

Chapter 5 : LCM Display and Settings --------------------------------------------- 30

5.1 Description of LCM Display ------------------------------------------------------30

5.2 LCM Display Hierarchy -----------------------------------------------------------31

PQC Series Active Power Filter

Chapter 6 : Maintenance --------------------------------------------------------------- 32

Chapter 7 : Troubleshooting ---------------------------------------------------------- 33

Chapter 8 : Warranty --------------------------------------------------------------------- 34

Chapter 1 Important Safety Instructions

Chapter 1 : Important Safety Instructions

1.1. Safety Precautions

yyThe active power lter (‘APF’) is designed for industrial applications. It shall be connected

with a power grid system and in parallel with harmonic sources (i.e. nonlinear loads) as a

means to control harmonics.

yyThe APF shall not be exposed to rain or wet conditions, and shall be away from any am-

mable uid, gas or explosives.

yyAdequate space shall be left in the front and at the back of the APF for well ventilation

and convenient maintenance.

yyTo minimize re and electric shock hazards, installation must be conducted by the quali-

ed personnel in a controllable working environment.

yyTo minimize electric shock hazards, all maintenance work must be carried out by the

qualied technician, and be sure to cut off all power supply before maintenance.

yyHigh voltage hazards! It takes over 15 minutes for the DC capacitor to discharge. Please

make sure the device has discharged completely before carrying out any operation.

yyTo minimize electric shock hazards, please read this Manual carefully before switching

the power on, and keep this Manual properly for permanent reference.

yyWhen the APF is used in IT applications, please install an insulation resistance detection

device so that the alarm will go off when protection earth fault is detected.

1.2. Wiring Warnings

yyTo prevent a possible risk of current leakage, the APF shall be earthed properly.

yyWith regard to wiring, the compensation capacity and the current-carrying capacities of

cables shall be taken into account.

yyThe incoming lines of the APF shall be connected with appropriate protective devices. It

is recommended to provide every module with an over-current protective device with a

third-party certication. Besides, take the installation positions of auxiliary equipment into

consideration and choose the protective devices with adequate breaking capacity.

yy The capacity of the protective devices shall t that of the APF.

yyTo prevent scaling caused by high temperature, after the power is cut off, the operating

switch shall be allowed to cool down before being operated again.

yyThe three-phase, four-wire APF is applicable to the power grid system with neutral

grounding.

PQC Series Active Power Filter

1.3. Usage Warnings

yySince the APF is used for harmonic compensation of the power grid, the capacity selec-

tion of the APF shall be subject to the harmonic content to avoid poor compensation due

to insufcient capacity.

yySince the APF is used for harmonic control, it shall be connected to harmonic current from

an external source for CT testing (CT: Current transformer).

yyTo guarantee sound reliability and avoid overheating, do not block or cover the air inlet

and outlet.

yyThe working temperature range of the APF is -10°C - 50°C, beyond which the APF will not

work.

1.4. Storage Precautions

yyPlease use the original packing material to protect the APF in order to avoid damage by

rodents.

yyIf the customer will not install the APF immediately after receiving the equipment, please

be sure to store the APF in a dry and ventilated indoor place, which shall be maintained

between -40°C and 70°C with relative humidity no higher than 95%.

1.5. Symbols

Item Symbol Meaning

1 R Phase R of three-phase power supply

2 S Phase S of three-phase power supply

3 T Phase T of three-phase power supply

4 N Neutral line

5Main grounding terminal

6E.P.O key

7 XT Terminal board

8 QF Circuit breaker

9 XK Auxiliary switch

Chapter 2 Introduction

Chapter 2 : Introduction

2.1 Product Introduction

The active power lter ('APF'), a harmonic compensator for the three-phase power grid, is

applied to the harmonic control of the power grid. Features of the device are shown as below:

yyCompensates a wide range of harmonic frequency and any randomly specied harmonic.

yyRapid dynamic responses, stable parameters and good harmonic compensation results.

yyHigh efciency and low thermal loss.

yyModular design offers a variety of coordination with various compensation capacities.

yyThe system adopts an advanced 3-level structure and consists of digital signal proces-

sors (DSP),large programmable controllers and high power electronic devices, which has

excellent performance and superior reliability.

yyProvides perfect system protection functions.

yySupports remote power on/ off functions via computer monitoring.

Please see Figure 2-1 for the APF system block diagram. The APF system is composed of a

xed-type module, a LCM (Liquid Crystal Monitor) and a system cabinet. The external CT is

used for the detection of load current in the module and extraction of harmonic components,

based on which, the main power controller controls the main power circuit to generate reverse

harmonic current; in this way, the load-carrying harmonic components are counteracted.

Each standard system cabinet can be connected to up to 7 modules in parallel. As for the

non-standard cabinet, the quantity of the modules installed inside could be varied according to

different design. Please note that the xed-type module and the LCM are packed separately. If

you would like to buy both of them, you should purchase them separately. The LCM monitors

and controls the xed-type module online. If monitoring function is not required, there is no

need to buy and install the LCM.

PQC Series Active Power Filter

Non-linear load

Single-phase load

Three-phase load

Harmonic

detection of

load current

Main

power

circuit

LCM

Optional Module

APF System

Power grid

Main

power

control

Module

Main

power

circuit

Main

power

control

Harmonic

detection of

load current

(Figure 2-1: APF System Block Diagram)

2.2 APF Series Product Category

The APF series product includes the xed-type module and the LCM. Table 2-1 lists the xed-

type module’s model, capacity and wiring system, as well as the LCM’s model information.

Table 2-1: PQC Series APF_ Fixed-type Module & LCM Specications

Product Model Capacity Wiring System

Fixed-type

Module

PQCA-400-50-50FM3 (4) 50A/ 400V Three-phase three-wire/

four-wire

PQCA-400-75-75FM3 (4) 75A/ 400V Three-phase three-wire/

four-wire

PQCA-400-100-100FM3 (4) 100A/ 400V Three-phase three-wire/

four-wire

PQCA-690-100-100FM3 100A/ 690V Three-phase three-wire

LCM PQCMA-LCM N/A N/A

yyFixed-type Module

The fixed-type module is a terminal-wiring design, which can be easily installed into

a standard or non-standard system cabinet. Subject to the customer's requirement

of equipment capacity, the modules can be easily connected in parallel for capacity

expansion.

Chapter 2 Introduction

The module is available in two wiring modes, i.e. 3P3W and 3P4W, and is available in

three specications in terms of the output current, i.e. 50A, 75A and 100A. The 3P4W

module shall be connected to the neutral line, and it is able to compensate the current

of neutral line, including zero sequence fundamental current and 3rd harmonic current;

however, for the 3P3W module, it is unnecessary to connect the neutral line, and the

module is unable to compensate the current of neutral line, such as zero sequence

fundamental current and 3rd harmonic current, which are generated by single phase loads.

Figure 2-2 shows the xed-type module.

(Figure 2-2: External View of 75A Fixed-type Module)

yySystem Cabinet

The fixed-type module and LCM can be easily installed

in any standard or non-standard system cabinet that

has the correct size. For 3P4W application, the cabinet

must be connected to the neutral line and equipped with

3P4W modules; for 3P3W application, the cabinet is

unnecessary to be connected to the neutral line but must

be equipped with 3P3W modules. Figure 2-3 shows the

standard system cabinet.

The system capacity depends on the specifications &

quantity of the modules installed in the system cabinet.

Customers can depend on their capacity requirements to

determine the required quantity of the modules and the

required system cabinet, or consult the local distributor

about the required capacity.

(Figure 2-3: External View of

the Standard System Cabinet)

PQC Series Active Power Filter

2.3 Functions & Features

yyMultifunction: the APF can simultaneously realize the purposes of harmonic, reactive and

three-phase unbalance control.

yySuperior harmonic control effects: up to 97% harmonics of the system can be effectively

ltered.

yyExcellent compensation of reactive power: the device can realize rapid (ms-grade re-

sponse), precise (-0.99< PF< 0.99) and bi-directional (both capacitive and inductive com-

pensations) reactive power control.

yyOutstanding compensation of unbalanced three-phase: the device can realize correc-

tion for either active or reactive unbalance, and can eliminate the neutral current (for the

three-phase four-wire series only).

yyWide input voltage and frequency range, suitable for the applications with diesel genera-

tors and harsh power supply conditions.

Module Type Upper Limit Lower Limit

400V Module Line Voltage: 456V Line Voltage: 308V

690V Module Line Voltage: 880V Line Voltage: 432V

yy Low power loss (lower than 3% of rated device power) and actual efciency >97%.

yy Sound stability: the device acts as an innite impedance to the power grid system and

has no effect on the impedance of the power grid system; it is able to produce accurate

and awless output waveform, which has no effect on other equipment.

yy Simple and exible applications: thanks to the modular design, it can be easily embedded

into other cabinets to work with PDU.

yyWide capacity coverage: for a single system cabinet, its capacity depends on the quantity

of the installed modules; for parallel, its capacity is unlimited since there is no limited con-

nection for parallel system cabinets.

yyApplicable to all work conditions: the device is able to operate under high temperature up

to 50°C and salt spray corrosive conditions, can withstand grade-9 seismic intensity and

is compatible with the diesel engine generating system.

yyUser-friendly interface (in both Chinese and English): event log, automatic fault alarm,

alarm history and other parameter setting functions.

yyComplete functions: automatic self-checking start, settable soft start time, emergency

stop (E.P.O.), etc.

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