Arcteq AQ-102LV User manual

AQ-102LV

Arc flash protection unit

Table of contents

1. Manual r1. Manual reevision novision notteses.................................................................................................................................................................................................................................... 55

2. A2. Abbrbbreeviaviationstions ............................................................................................................................................................................................................................................................ 66

3. General3. General.............................................................................................................................................................................................................................................................................. 77

3.1. Dimensions and installation................................................................................................... 7

3.2. Wiring................................................................................................................................... 9

3.3. Unit features ....................................................................................................................... 10

3.4. SimpliZed block diagram ..................................................................................................... 11

4. Opera4. Operation and conZgtion and conZguraurationtion ............................................................................................................................................................................................................ 1313

4.1. LED indicator functions....................................................................................................... 13

4.2. LED operations guide ......................................................................................................... 13

4.3. Push-button (SET) .............................................................................................................. 14

4.3.1. System setup (auto-conZguration) ............................................................................ 14

4.3.2. Reset........................................................................................................................ 14

4.3.3. Input connection check ............................................................................................ 15

4.4. DIP switch settings ............................................................................................................. 15

4.4.1. Scheme selection ..................................................................................................... 16

4.4.2. Available logic schemes............................................................................................ 16

4.5. Non-volatile memory........................................................................................................... 18

5. Ar5. Arc sensorsc sensors.............................................................................................................................................................................................................................................................. 1919

5.1. Arc light Zber optic loop sensor AQ-06 ............................................................................... 19

5.2. Arc light Zber optic loop sensor AQ-07 ............................................................................... 19

5.3. Arc light Zber optic loop sensor AQ-08 ............................................................................... 20

5.4. Sensor—unit dependencies ................................................................................................ 21

5.5. Connecting sensors............................................................................................................ 21

6. S6. Syyststem self-superem self-supervisionvision.......................................................................................................................................................................................................................... 2222

7. Connections7. Connections............................................................................................................................................................................................................................................................ 2323

7.1. Outputs .............................................................................................................................. 26

7.1.1. Trip relays................................................................................................................. 26

7.1.2. inary outputs .......................................................................................................... 26

7.1.3. System failure relay................................................................................................... 27

7.2. Inputs ................................................................................................................................. 27

7.2.1. Arc sensor channels................................................................................................. 27

7.2.2. inary inputs ............................................................................................................ 27

7.3. Auxiliary voltage.................................................................................................................. 27

8. T8. Testingesting ............................................................................................................................................................................................................................................................................ 2828

8.1. Testing the light-only mode ................................................................................................. 28

8.2. Testing the light and current mode ...................................................................................... 28

8.3. Testing the C FP function................................................................................................... 29

8.4. Testing the unit operation time ............................................................................................ 29

8.5. Test plan example ............................................................................................................... 29

9. T9. Trroubleshoooubleshootingting.................................................................................................................................................................................................................................................. 3131

10. T10. Technicechnical daal datata.................................................................................................................................................................................................................................................. 3232

10.1. Protection......................................................................................................................... 32

10.2. Outputs ............................................................................................................................ 32

10.2.1. Trip relays............................................................................................................... 32

10.2.2. inary output(s) ...................................................................................................... 32

10.2.3. System failure relay................................................................................................. 32

10.3. inary inputs..................................................................................................................... 32

10.4. Auxiliary voltage................................................................................................................ 33

10.5. Sensors ............................................................................................................................ 33

10.6. Disturbance tests.............................................................................................................. 34

10.7. Voltage tests..................................................................................................................... 34

10.8. Mechanical tests............................................................................................................... 34

10.9. Environmental conditions .................................................................................................. 34

10.10. Casing and packaging .................................................................................................... 34

AAQQ-102L-102LVV

Version: 1.00

1 © Arcteq Relays Ltd

11. Or11. Ordering infdering informaormationtion .............................................................................................................................................................................................................................. 3535

12. Contact and r12. Contact and reeffererence infence informaormationtion...................................................................................................................................................................................... 3636

AAQQ-102L-102LVV

Version: 1.00

Disclaimer

Please read these instructions carefully before using the equipment or taking any other actions with

respect to the equipment. Only trained and qualiZed persons are allowed to perform installation,

operation, service or maintenance of the equipment. Such qualiZed persons have the responsibility to

take all appropriate measures, including e.g. use of authentication, encryption, anti-virus programs,

safe switching programs etc. necessary to ensure a safe and secure environment and usability of the

equipment. The warranty granted to the equipment remains in force only provided that the instructions

contained in this document have been strictly complied with.

Nothing contained in this document shall increase the liability or extend the warranty obligations of the

manufacturer Arcteq Relays Ltd. The manufacturer expressly disclaims any and all liability for any

damages and/or losses caused due to a failure to comply with the instructions contained herein or

caused by persons who do not fulZl the aforementioned requirements. Furthermore, the manufacturer

shall not be liable for possible errors in this document.

Please note that you must always comply with applicable local legislation and regulations. The

manufacturer gives no warranties that the content of this document is in all respects in line with local

laws and regulations and assumes no liability for such possible deviations.

You are advised to notify the manufacturer in case you become aware of any errors in this document or

of defects in the equipment.

The manufacturer reserves the right to update or amend this document at any time.

AAQQ-102L-102LVV

Version: 1.00

3 © Arcteq Relays Ltd

AAQQ-102L-102LVV

Version: 1.00

1. Manual revision notes

RReevisionvision 1.001.00

Date September 2020

Changes - The Zrst revision of the manual.

AAQQ-102L-102LVV

Version: 1.00

5 © Arcteq Relays Ltd

2. Abbreviations

I – binary input

O – binary output

C – circuit breaker

C FP – circuit breaker failure protection

CT – current transformer

EPROM – erasable, programmable read-only memory

HSO – high-speed output

LED – light emitting diode

LV – low-voltage

MV – medium-voltage

NC – normally closed

NO – normally open

PC – printed circuit board

QD – quenching device

RF – radio frequency

Rx – receiver

SAS – standard arc scheme

SF – system failure

Tx – transceiver

μP - microprocessor

AAQQ-102L-102LVV

Version: 1.00

3. General

The AQ-102LV Zber optic loop sensor device is a sophisticated microprocessor-based arc flash

protection unit that includes complete self-supervision. The device is designed to minimize the damage

caused by an arcing fault (arc flash) by tripping the circuit breaker which supplies current to the fault.

The complete system self-supervision functionality of AQ-102LV provides the highest level of

dependability as it continuously monitors all internal system functions as well as all external

connections.

The AQ-102LV device is designed according to the latest protection relay standards and is therefore

suitable for installations in rough environments. These include utilities and power plants (both traditional

and renewable), various heavy industry applications (off-shore, marine, oil, gas, mining, steel, etc.) as

well as commercial and institutional electrical systems. While AQ-102LV is suitable for MV use, it is

designed for LV switchgears and for motor control center applications in both new and retroZtted

installations.

3.1. Dimensions and installation

AQ-102LV can be either door-mounted or panel-mounted in a standard 19 inch rack. The unit's

dimensions are as follows:

• Height: 177 mm (7.00")

• Width: 50 mm (1.97")

• Depth: 162 mm (6.38").

The Zgure below presents a side view of the device and gives the dimensions in more detail. Please

note that all values are given in millimeters.

AAQQ-102L-102LVV

Version: 1.00

7 © Arcteq Relays Ltd

Figure. 3.1. - 1. Dimensions of the device.

The image below presents the dimensions of the cut-out needed for mounting the unit on a panel.

AAQQ-102L-102LVV

Version: 1.00

Figure. 3.1. - 2. Cut-out for panel-mounting a unit.

3.2. Wiring

AAQQ-102L-102LVV

Version: 1.00

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