Siemens 7UG0 Bedienungsanleitung

Operating Instructions

Automatic Power Factor Controller Relay

7UG0572-1GT21

7UG0

IEC 60947-5-1

Please read and understand these instructions before installing,

operating, or maintaining the equipment.

DANGER

Hazardous voltage can cause death or serious injury.

Disconnect power before working on equipment.

CAUTION

Reliable functioning of the equipment is only ensured

with certied components.

Overvoltage category III

(Refer IEC 60947-1)

NOTICE

This product has been designed for environment A. Use of this product

in environment B may cause unwanted electromagnetic disturbances in

which case the user may require to take adequate mitigation measures.

Technical Data

Designation 7UG0572-1GT21

Type Automatic Power Factor Controller

Operating range 50 to 440 VAC (L-L)

30 to 250 VAC (L-N)

AC Network 3Φ4W / 3Φ3W / 2Φ2W/ 1Φ2W

Display parameters Power Factor

Control Supply 90 to 250 VAC, 50/60Hz

Power consumption 15VA

Frequency range 50/60Hz

Operating temperature 0°C to 60°C

Humidity upto 95% ,without moisture

condensation

Alarm mode (relay output) Over voltage, Under voltage, Over

Compensate, Under Compensate, CT

Polarity error

Trip indication Alarm relay turns ON and ALARM

LED blinks

No. of relay outputs 12

(Additional 1 for Alarm)

Rated current of relay outputs

(@250VAC)

5A* (AC12), 1A (AC15)

CT Burden 20 mohms

Switching program Automatic / Linear / Rotational

Mounting Panel mounting

SCPD for relay output (For

Short circuit current of 1kA as

per IEC 60947-5-1)

6A, gL, HRC fuse

* 5A AC12 rating is for individual relay contact. If multiple relays are ON,

relay AC12 rating will be limited to 1.2A @ 250V.

LED Indications

LED Description

Capacitor Banksthat areON.

Indicates controller is in AUTO mode.

Indicates controller is in MANUAL mode.

No fault condition present.

Fault condition occurred

[Press OK key to display trip parameter]

This will take place when user will press OK key in

fault condition. Trip parameters will be displayedfor

3sec each.

AUTO

ALARM

Note : On occurrence of any new fault condition ALARM LED starts

blinking again & on pressing OK key all trip parameters will be displayed

for 3sec each

Terminal connections

7UG057..

0.5 Nm

Solid

1 x (0.75 to 2.5) mm2

2 x 0.5 to 2 x 1.5 mm2

Stranded with end sleeve

1 x (0.5 to 2.5) mm2

2 x (0.5 to 1.5) mm2

Wiring Diagram

3 Phas e-4Wire

3 Phas e-3Wire

1 Phas e-2Wire

2 Phas e-2Wire

Note :• ForN/W selection 2P2W voltage(V)applied between V1 &V2and connect CT forl1[Do notuse V3,Nl2&l3 terminal]

•ForN/W selection 1P2W voltage(V)applied between V1 &Nand connect CT forl1[Do notuse V2,V3, l2 &l3terminal]

Control Supply

K12

Note: The distance between APFC and external Current transformer should be kept as

short as possible. Use shielded cable or twisted pair cable between APFC and Current

transformer for long distance (Greater than 1m).

Front Panel Description

Configuration

Ke y Description

Press&

Press

Press&

For3sec to enteror exit

from theconfiguration menu.

For increment

Fordecrement

To save thesettingand

move on to next page

To go back

For3sectoenter

in Test Mode

Note :Test mode checksall therelayspresent

in productsequentially.

ESC

Configuration Menu

Main Menu Leve lSub Menu

PRES S + KEY S f or 3 s ec. to enter or exit from conf iguration menu.

Installation

Passw ord

(PW1)

Te chnical

Passw ord

(PW2)

Pass wo rd

Change

Pass word

Ye s / No

Change

Password

Ye s / No

New

Password

New

Password

CT Primary

Secondary

Network

Selection

Network

Selection

Phase

Compensation

Phase

Compensation

Nominal

Voltage

Nominal

Voltage

Thresh old

Voltage

Thresh old

Voltage

Auto

Initialization Ma x

Relay No.

Mode Switching

Program

Target

P. F

Step Time Discharge

Time Control

Sensitivity

Setting Low

Current

Setting

Auto

Initialization Max

Relay No.

Mode Switching

Program

Ta rget

P. F

Step Time Discharge

Time Control

Sensitivity

Setting Low

Current

Setting

No Voltage

Over Voltage

Setting

Under Voltage

Setting Over

Compensation

Under

Compensation

CT Polarity

Error

Hysteresis

Voltage Hysteresis

Power Factor

Factory

Default

Bank 1

Bank 9

Bank 2

Bank 10

Bank 3

Bank 11

Bank 4

Bank 12

Bank 5

Bank 6

Bank 7

Bank 8

•After entering into PW1, sub menu of LE-1 will be selected.

•To scroll through sub menu press incrementordecrement key.

•After entering into PW2, all levels can be accessed.

•Press ESC Keytochangethe level. Different level can be selected by pressing increment &decrement Key.

NOTE: LE-3 will be prompted only

when mode is settomanualin LE-1.

Note :Appearance of shaded menus dependent on selection of other parameters.

()

Serial Number Description

PressESC ()keyfor 10sec. to display8digitserialnumber.

Example:Sr. No. 12345678

Press

ESC

keyfor 10sec.

Displays 1234 for3sec.

After3sec. displays 5678 for3sec.

ESC

Note: The distance between APFC and external Current transformer

should be kept as short as possible. Use shielded cable or twisted pair

cable between APFC and Current transformer for long distance (Greater

than 1m).

Level1

Displa y Description Default Value Range Condition

PSWD Passward 10(PW1);

11(PW2) 0000 - 9999

C.PWD Change Password No No /Yes

N.PWD NewPassword 00000 to 9999

Thisoption

will be

prompted

only when

C.PWD

settoYES.

CT.P CT Primary 5A

5to 9999A

1to 9999

(CT.S=1)

5to 9999

(CT.S=5)

CT.S CT Secondary 1A /5A

NETW Network Selection 3P4W 1P2W / 2P2W /

3P3W / 3P4W

PCMA Phase

compensation 0º 0º, 90º, 120º,

210º, 240º, 330º

Only for

1P2W /2P2W

VOLT NominalVoltage 240V (L-N)

415V (L-L) 50V-440V

V.TH Voltage Threshold 0% 0% to 100%

A.INT Auto Initialization YesNo /Yes

RLY Max RelayNumbers 12 1to12

MODE Mode Auto

Auto

Auto /MANL

SwitchingProgram

SWPG

Automatic(AUTO)

Linear(LINR)

Rotational (ROTN)

T.PF Targeted P. F1.000-0.800 to 0.800

STP.TStep Time 5s 1s to 999s

1s to 999s

DIS.T Discharge time

(Reconnection time) 180s

60%C.SNS

L.CUR

C/K Setting

LowCurrentSetting 0

55% to 100%

0% to 50%

•Auto-Initialization(A.INT) is workingatbest, under stable load conditions.

Auto-Initialization (A.INT) worksonly with capacitorbanks andnot withreactors.

If V.TH value is settozero, A.IN will be done only at powerON.

(A.INT) will be update 'NO' automaticallyin configue afterAuto

Reauto - Initialization will be donebyonlychanging( A.INT) -YES in configue

Recommended that number of relays nottobechanged during normal operation

If doneso, restartthe unit.

Recommended to restartthe unit if Switching program(SWPG)ischanged

duringnormal operation forproper functionalityi

naccordance withthe chosen

control mode.

•

Note:

No voltage

Level2

Displa y Description Default Value Range Condition

N.VLT ON

OFF

ON /OFF

O.VLT Over voltage

OV.S Over voltagesetting 260V (L-N)

460V (L-L)

50 - 277V (L-N)

85 - 480V (L-L)

This option

will be

prompted

only when

O.VLToption

is ON.

Undervoltage

U.VLT

UV.S Undervoltagesetting 190V (L-N)

340V (L-L)

50 - 240V (L-N)

85 - 415V (L-L)

This option

will be

prompted

only when

U.VLToption

made ON.

O.CMP Over compensation ON

ON /OFF

U.CMP Undercompensation

CT.ER CT Polarity error

H.VLT

H.PF

DFLT

Hysteresisvoltage

Hysteresispower factor

Factory Default

1% to 10%

1% to 5%

No /Yes

Level3

Display Description Default Value Range Condition

RL.01

RL.02

RL.03

RL.04

RL.05

RL.06

RL.07

RL.08

RL.09

RL.10

RL.11

RL.12

Bank 1

Bank 2

Bank 3

Bank 4

Bank 5

Bank 6

Bank 7

Bank 8

Bank 9

Bank 10

Bank 11

Bank 12

OFF

ON/OFF

Prompted

onlyif

MODE

is setto

MANUAL

•When condition of Low Current occurs,the displayof controller will show the

'CURR'

•Low current setting is applicable fornoload conditiononly. (i.e.minimum load)&

to be done at no load condition on site.

•NoVoltage Alarm deactivation time is 90 sec.

Note:

Mounting APFC: Cable and Cover termination:

# Response time for relay is 3-5 sec.

a) Manual switching (MANL)

b) Rotational switching (ROTN)

c) Automatic switching (AUTO)

d) Linear switching (LINR)

When this switching programis selected, the capacitor steps are controlled manuallybythe user.

This switching programis based on rotational first-in-first-out sequence. This option will automatically switchin and out the capacitors according to the

targeted power factor, sensitivity setting and there-connection time setting.

This automatic switching program uses intelligent switching sequence. The step switching sequence is notfixed and theprogram automatically selects

the most appropriatesteps to switchinor out in order to achieve shortest reaction time with minimum number of steps.

In this switching sequence it worksin lastinfirst out mode. This option will automatically switchin and out the capacitors according to thetargeted

power factor, sensitivity setting and there-connection time setting.

User Guide

Siemens Ltd. Product development is a continuous process. Consequently

the data indicated in this Leaet is subject to change without

prior notice. For latest issue contact our sales ofces.

Disposal

Siemens product are environment friendly, which predominantly

consist of recyclable materials.

For disposals we recommend disassembling and separation into

following materials:

METALS: Segregate into Ferrous & Non Ferrous types for recycling

through authorised dealer.

PLASTICS: Segregate as per material type for recycling through

authorised dealer. Because of the long lifetime of Siemens

products the disposal guidelines may be replaced by other national

regulations when taking the product out of service.

The local customer care service is available at any time to answer

disposal-related questions

Customer Care Toll free no. 1800 209 0987 Email: [email protected] Order No. A5E41790585A

Phase-Angle Setting

Voltage

Phase-Angle

L1-N

0º

L2-N

0º

L3-N

0º

L3-N

120º

L2-N

120º

L1-N

120º

L1-L2

90º

L3-L1

90º

L2-L3

90º

L1-L2

330º

L3-L1

330º

L2-L3

330º

L3-N

240º

L1-N

240º

L1-L2

210º

L3-L1

210º

L2-L3

210º

L2-N

240º

Dimensional Drawing (mm)

Panel Cutout (in mm)

138

Outline Dimensions (in mm)

144

136.5

144

550

Side

view

Frontbezel

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