TAS POWERTEK APFC-05 Bedienungsanleitung

Automatic Power Factor Controller

APFC-05

User Manual

Version 1.0

TAS POWERTEK PVT.LTD.VERSION 1.0 Updated on: FEB. 18, 2015

NOTE

These instructions do not purport to cover all details or

variations in equipment, nor to provide for every possible

contingency to be met in connection with installation,

operation or maintenance.

Should further information be desired or should particular

problems arise which are not covered sufficiently for the

purchasers purposes, the matter should be referred to our

office.

The contents of this instruction Manual shall not become

part of or modify any prior or existing agreement or

relationship. Any statements contained herein do not create

new warranties or modify the existing warranty.

The reproduction, transmission or use of this document or its contents is not

permitted without express written authority. Offenders will be liable for damages. All

rights are reserved.

Because of continuous improvements efforts by TAS PowerTek in their Product’s Features and

Specifications, the Product as well as the content of the User Manual is likely to get updated.

Therefore, please always refer to the User Manual supplied to the customer along with the

Product, at the time of product dispatch.

CAUTIONS:

High voltage!

APFC may only be used indoor!

Make sure that the discharge time set in the controller matches the capacitor discharge time!

This User Manual for TAS APFC-05/xx Controller refers to the Firmware Version 1.0.0

Dated: 9th Jan. 2015.

Power Factor Controller APFC-05

TAS POWERTEK PVT.LTD. VERSION 1.0 Updated on: FEB. 18, 2015

- 1 -

Index

Index page -- 1

Features -- 2

Specifications -- 3

Mechanical dimensions -- 3

Front fascia -- 4

Back Side Terminals - - 5

PF correction technique -- 6 & 7

Typical wiring scheme -- 8 & 9

Control wiring Scheme -- 10

Rear side terminals -- 11

Front Fascia LCD Screen Details -- 12 & 13

Keyboard details -- 14

Display of various parameters -- 15

Sub menu for display of parameters -- 16

Method of Keyboard / Display usage -- 17 to 19

Keyboard / Display operations -- 20 & 21

Edit Parameters

General & IO -- 22

System -- 22

Fault -- 23 to 25

Steps -- 26 & 27

Step utilization -- 28

Commissioning Instructions -- 29 & 30

Troubleshooting procedure -- 31 & 32

Manufacturer’s Contact Details -- 33

TAS POWERTEK PVT.LTD. VERSION 1.0 Updated on: FEB. 18, 2015

Features

•Totally Micro-processor controlled Digital Signal processing

logic for measurements and control.

•Load V, I, odd harmonic coefficients up to 15th harmonic.

•Various modes for switching, viz:

Binary

Un-equal (user defined)

C-Series (preset series)

E-Series (user defined)

•Output banks control for either 4 , 6 or 8 Capacitor Banks.

•Standard 96x96 mm Plastic Cabinet for panel door flush

mounting.

•Protections provided:

Over/Under Voltage

Over / Under load current

Over Temperature internal to APFC-05 Unit

All these are user settable

- 2 -

TAS POWERTEK PVT.LTD. VERSION 1.0 Updated on: FEB. 18, 2015

Specifications

•Feed-back Voltage: 1-Phase, 2-Wire, 230Volt Ac, (+/- 10%)

•AC Mains Supply Line Frequency: 50/60 Hz.

•Current input: Selectable 1A or 5A for load.

•Auxiliary Supply: 1-Phase, 230V (+/- 10%).

•Correction time:

Selectable in Seconds from 1 Sec. to 65530 Sec.

•Output Commands: 4 (APFC-05/4) or 6 (APFC-05/6)

or 8 (APFC-05/8).

(Isolated ‘NO’ contacts of rating Inductive Load 0.5A/250Vac).

•Operating Temperature: 0 to +55oC.

•Storage temperature: 0 to +70oC.

•Relative Humidity: 10% to 95% (Non Condensing).

•AC Mains Supply frequency: 47Hz to 53Hz,or 57Hz to 63Hz.

- 3 -

Mechanical

dimensions:

Recommended size for cut-out on panel door is 92 x 92 mm.

Max. weight: (with clamps and terminals) = Approx. 0.6 Kgs.

All Dimensions

given are in mm.

100

TAS POWERTEK PVT.LTD. VERSION 1.0 Updated on: FEB. 18, 2015

- 4 -

Front fascia

Keyboard, LCD display

LCD Display

Key pad

PF=0.98 IND A OK

LCD Display Contrast Adjustment

Slot for small Allen-Key, at the Top Surface

TAS POWERTEK PVT.LTD. VERSION 1.0 Updated on: FEB. 18, 2015

BACK SIDE TERMINALS

•Auxiliary &

Measurement Voltage Load Current CT

Output Terminals

TAS POWERTEK PVT.LTD. VERSION 1.0 Updated on: FEB. 18, 2015

PF correction technique

kW.

kVAr

(Ind)

kVAr

(Cap)

PFLOWER.

PFUPPER.

-kW.

PFLOWER.

PFUPPER.

Case-1: PF-UPPER & PF-LOWER both set as inductive:

smallest

Capacitor bank

kVAr x 2 width.

- 6-

kVAr

(Ind)

kVAr

(Cap)

PFLOWER.

PFUPPER.

-kW

PFLOWER.

PFUPPER.

smallest

Capacitor bank

kVAr x 2 width.

Case-2: PF-UPPER as Capacitive & PF-LOWER set as Inductive:

No change band.

Capacitor addition band.

Capacitor removal band.

TAS POWERTEK PVT.LTD. VERSION 1.0 Updated on: FEB. 18, 2015

There are two PF set points to be set in APFC-05. The UPPER limit and

the LOWER limit. APFC-05 ensures that PF-UPPER is never exceeded.

Additionally, “No change band” to minimum kVAr band size equal to

smallest bank kVAr * 2 ensures no hunting during the low kW loading.

APFC-05 is normally set for PF settings as per first two diagrams shown

where PF LOWER is inductive. This philosophy helps to optimize the

system maximum kVAr to be used as well as reduces the number of

switching operations during higher loading conditions. This ensures better

life expectancies of the switched capacitors as well as the switching

devices.

This methodology of kVAr compensation reduces the complex settings

that are used by conventional PF relays. The settings like C/K ratio and

kVAr offsets/shifts are eliminated which makes APFC-05 user friendly and

thus easy to commission.

- 7 -

kVAr

(Ind)

kVAr

(Cap)

PFLOWER.

PFUPPER.

-kW

PFLOWER.

PFUPPER.

smallest

Capacitor bank

kVAr x 2 width.

kW.

Case-3: PF-UPPER & PF-LOWER both set as Capacitive:

No change band.

Capacitor addition band.

Capacitor removal band.

TAS POWERTEK PVT.LTD. VERSION 1.0 Updated on: FEB. 18, 2015

- 8-

Typical wiring diagram for PF correction

Conventional LT side PF

improvement system

schematic

As per this scheme, the load sensing CT is put between

the source and the PF correction capacitor banks. This is

as per diagram shown above. The voltage feedback is

taken from the LT bus system itself.

This type of scheme is used when user is interested in

maintaining the healthy Power factor on secondary side of

the transformer.

This scheme is preferred with LT consumers of electricity,

where the metering is carried out on LT side.

Scheme - 1

HT side LT side

Load CT

TAS POWERTEK PVT.LTD. VERSION 1.0 Updated on: FEB. 18, 2015

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