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ensto Arcteq AQ-102LV Instruction Manual

Arc flash protection device
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AQ-102LV
Arc flash protection device
Instruction manual

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  • Page 1 AQ-102LV Arc flash protection device Instruction manual...

  • Page 2: Table Of Contents

    A A Q Q -102L -102LV V Instruction manual Version: 1.04 Table of contents 1 1 Document inf Document informa ormation tion ..............................................4 4 2 2 Saf Safe e t t y inf y informa ormation tion ................................................
  • Page 3 A A Q Q -102L -102LV V Instruction manual Version: 1.04 14.5 Binary output(s) ......................... 38 14.6 System failure relay......................38 14.7 Fiber optic loop sensors ..................... 38 14.8 Disturbance tests....................... 39 14.9 Voltage tests........................40 14.10 Mechanical tests......................40 14.11 Environmental conditions ....................
  • Page 4 A A Q Q -102L -102LV V Instruction manual Version: 1.04 Disclaimer Please read these instructions carefully before using the equipment or taking any other actions with respect to the equipment. Only trained and qualified persons are allowed to perform installation, operation, service or maintenance of the equipment.

  • Page 5: 1 Document Inf Document Informa Ormation Tion

    A A Q Q -102L -102LV V 1 Document information Instruction manual Version: 1.04 1 Document information Table. 1 - 1. History of Revision 1. R R e e vision vision 1.00 1.00 Date September 2020 Changes - The first revision of the manual. R R e e vision vision 1.01...

  • Page 6: 2 Saf Safe E T T Y Inf Y Informa Ormation Tion

    A A Q Q -102L -102LV V 2 Safety information Instruction manual Version: 1.04 2 Safety information This document contains important instructions that should be saved for future use. Read the document carefully before installing, operating, servicing, or maintaining this equipment. Please read and follow all the instructions carefully to prevent accidents, injury and damage to property.

  • Page 7: 3 A A Bbr Bbre E Via Viations Tions

    A A Q Q -102L -102LV V 3 Abbreviations Instruction manual Version: 1.04 3 Abbreviations AQD – arc quenching device BI – binary input BO – binary output CB – circuit breaker CBFP – circuit breaker failure protection CT – current transformer EPROM –...

  • Page 8: 4 General General

    A A Q Q -102L -102LV V 4 General Instruction manual Version: 1.04 4 General The AQ-102LV is a sophisticated microprocessor-based arc flash protection device with fiber loop sensor channels. The device is designed to minimize the damage caused by an arc fault. This is done by tripping the circuit breaker which supplies current to the fault when fiber loops detect arc light.

  • Page 9: Device Features

    A A Q Q -102L -102LV V 5 Device features Instruction manual Version: 1.04 5 Device features AQ-102LV is an arc flash protection device which can be applied to a variety of applications. It can be used on its own as a stand-alone device, or it can be a part of a more complex arc protection system by using binary inputs and outputs to connect multiple AQ 100 series devices together.

  • Page 10: 6 Connections Connections

    A A Q Q -102L -102LV V 6 Connections Instruction manual Version: 1.04 6 Connections The figure below depicts the connections of AQ-102. Please note that the SF relay is in the de- energized position. Figure. 6 - 2. Rear terminals of AQ-102LV. ©...

  • Page 11: Inputs

    A A Q Q -102L -102LV V 6 Connections Instruction manual Version: 1.04 6.1 Inputs 6.1.1 Arc sensor channels Figure. 6.1.1 - 3. Arc fiber loop sensor and arc quenching device connections. The device has three (3) fiber loop arc sensor channels: S1, S2 and S3. Each channel has a transmitter (Tx) terminal and a receiver (Rx) terminal.

  • Page 12: Outputs

    A A Q Q -102L -102LV V 6 Connections Instruction manual Version: 1.04 The nominal voltage level of the binary inputs for this device is 24 VDC. Please note that the actual activation threshold of the binary input is at a lower voltage than the specified nominal voltage value (see Techical Data chapter).

  • Page 13: System Failure Relay

    A A Q Q -102L -102LV V 6 Connections Instruction manual Version: 1.04 T3 can alternatively be ordered as a normally closed relay (electronic lock-out relay). Once opened by fault detection it holds its open position until it receives a manual reset command or until auxiliary power supply is lost.

  • Page 14: 7 Ar Arc Sensors C Sensors

    A A Q Q -102L -102LV V 7 Arc sensors Instruction manual Version: 1.04 7 Arc sensors The AQ 100 series suppors arc sensing point sensors and fiber optic loop sensors. These sensors can be used with different devices and different switchgear types according to specific application requirements.

  • Page 15: Sensor Dependencies

    A A Q Q -102L -102LV V 7 Arc sensors Instruction manual Version: 1.04 7.4 Sensor dependencies Compatibility of arc sensor types depend on the hardware available in the AQ 100 series device. The table below describes those dependencies. Table. 7.4 - 2. Sensor dependencies. P P oint sensors oint sensors F F iber loops...

  • Page 16: 8 Opera Operation And Config Tion And Configura Uration Tion

    A A Q Q -102L -102LV V 8 Operation and configuration Instruction manual Version: 1.04 8 Operation and configuration 8.1 DIP switch settings Configuration of the operation logic and other functionalities are done with DIP switches. The DIP switches are located at the back of the device. Main operation logic can be defined with "Scheme selection"...

  • Page 17: Logic Schemes

    A A Q Q -102L -102LV V 8 Operation and configuration Instruction manual Version: 1.04 Swit Switch F F unction selection unction selection ON (le ON (left position) ft position) OFF ( OFF (rig right position) ht position) Scheme selection. Switch 1: 1 Switch 1: 0 Switch 2: 2...

  • Page 18: Ss:0

    A A Q Q -102L -102LV V 8 Operation and configuration Instruction manual Version: 1.04 8.2.1 SS:0 The logic scheme SS:0 can be applied as a non-selective arc protection scheme. If any of the light sensor channels detect light, all trip contacts are closed and BO1 sends a light signal to any connected external devices.
  • Page 19 A A Q Q -102L -102LV V 8 Operation and configuration Instruction manual Version: 1.04 Figure. 8.2.1 - 13. Simplified logic diagram of SS:0. © Arcteq Relays Ltd IM00048...

  • Page 20: Ss:1

    A A Q Q -102L -102LV V 8 Operation and configuration Instruction manual Version: 1.04 8.2.2 SS:1 The logic scheme SS:1 is designed for selective incoming feeder arc protection without current detection. It can be used for substations with one incoming feeder. Figure.
  • Page 21 A A Q Q -102L -102LV V 8 Operation and configuration Instruction manual Version: 1.04 Position of "Blocking function" DIP switch defines if BI1 is used for receiving current signals from external devices or for blocking activation of trip relays. The binary output BO1 is responsible for sending light detection signal to any external device(s) at outgoing feeders.

  • Page 22: Ss:2

    A A Q Q -102L -102LV V 8 Operation and configuration Instruction manual Version: 1.04 8.2.3 SS:2 This scheme is similar to SS:0. In this scheme BI1 is used for resetting latched trip relays and LEDs remotely. If there's a need for receiving a light signal from an external device, use SS:0 instead. The logic scheme SS:2 can be applied as a non-selective arc protection scheme.
  • Page 23 A A Q Q -102L -102LV V 8 Operation and configuration Instruction manual Version: 1.04 Figure. 8.2.3 - 19. Simplified logic diagram of SS:2. © Arcteq Relays Ltd IM00048...

  • Page 24: Ss:3

    A A Q Q -102L -102LV V 8 Operation and configuration Instruction manual Version: 1.04 8.2.4 SS:3 Figure. 8.2.4 - 20. Logic matrix of SS:3. 1. If the "Blocking function" DIP switch is OFF, the binary input BI2 can be used to receive an external current signal.

  • Page 25: Ss:4

    A A Q Q -102L -102LV V 8 Operation and configuration Instruction manual Version: 1.04 8.2.5 SS:4 Figure. 8.2.5 - 22. Logic matrix of SS:4. 1. If the "Blocking function" DIP switch is OFF, the binary input BI1 can be used to receive an external current signal.

  • Page 26: System Setup (Auto-Configuration)

    A A Q Q -102L -102LV V 8 Operation and configuration Instruction manual Version: 1.04 W W ARNING! ARNING! Do NO NOT T use force when pushing the button, as this may cause the button to lodge deep inside the chassis! Figure.

  • Page 27: Input Connection Check

    A A Q Q -102L -102LV V 8 Operation and configuration Instruction manual Version: 1.04 8.3.3 Input connection check After the system setup (auto-configuration) procedure is completed, you can verify the connectivity of arc sensors and binary input channels by pressing the SET SET push button three (3) times within two (2) seconds.

  • Page 28: Non-Volatile Memory

    A A Q Q -102L -102LV V 8 Operation and configuration Instruction manual Version: 1.04 LED name LED name Light off ht off St Stead eady lig y light ht Blink Blinking lig ing light ht A A ction if abnormal ction if abnormal ( ( color color) )

  • Page 29: 9 S S Y Y St Stem Self-Super Em Self-Supervision Vision

    A A Q Q -102L -102LV V 9 System self-supervision Instruction manual Version: 1.04 9 System self-supervision AQ 100 series devices have an extensive self-supervision function, including both internal functions and external connections. The self-supervision function monitors the following: • power supply •...

  • Page 30: W Iring Example Iring Example

    A A Q Q -102L -102LV V 10 Wiring example Instruction manual Version: 1.04 10 Wiring example Figure. 10 - 25. Example wiring diagram for AQ-102LV. © Arcteq Relays Ltd IM00048...

  • Page 31: D Imensions And Installa 11 Imensions And Installation Tion

    A A Q Q -102L -102LV V 11 Dimensions and installation Instruction manual Version: 1.04 11 Dimensions and installation The device can be either door-mounted or panel-mounted in a standard 19 inch rack. The device's dimensions (without connectors) are as follows: •...
  • Page 32 A A Q Q -102L -102LV V 11 Dimensions and installation Instruction manual Version: 1.04 Figure. 11 - 26. Dimensions of the device and its cut-out panel. © Arcteq Relays Ltd IM00048...
  • Page 33 A A Q Q -102L -102LV V 11 Dimensions and installation Instruction manual Version: 1.04 Figure. 11 - 27. Installing a AQ-100 series device to a door. © Arcteq Relays Ltd IM00048...

  • Page 34: T Esting 12 Esting

    A A Q Q -102L -102LV V 12 Testing Instruction manual Version: 1.04 12 Testing It is recommended that the device is tested prior to substation energizing. Testing is carried out by simulating an arc light for each sensor and verifying that the correct trip contact(s) tripped and that the correct indicator LED(s) turned on.

  • Page 35: Testing The Operation Time

    A A Q Q -102L -102LV V 12 Testing Instruction manual Version: 1.04 13. If you are using a binary input as the master trip, activate it and verify that the trip has occurred by repeating the steps 5 and 6. 14.

  • Page 36: Test Plan Example

    A A Q Q -102L -102LV V 12 Testing Instruction manual Version: 1.04 12.4 Test plan example © Arcteq Relays Ltd IM00048...

  • Page 37: Troubleshooting

    A A Q Q -102L -102LV V 13 Troubleshooting Instruction manual Version: 1.04 13 Troubleshooting Table. 13 - 5. Troubleshooting guide for AQ-102. P P r r oblem oblem P P ossible sol ossible solution( ution(s) s) Check the sensor connection. The sensor does not activate during or or testing.

  • Page 38: T Echnic Echnical Da Al Data Ta

    A A Q Q -102L -102LV V 14 Technical data Instruction manual Version: 1.04 14 Technical data 14.1 Operating times Table. 14.1 - 6. Technical data for relay operating times. Trip relay operation delay 7 ms* Reset time (arc light stage) 2 ms *) The total trip time when using both the arc light (L>) or phase/residual overcurrent (I>) from an AQ-110 device and the arc light (L>) from this device.

  • Page 39: Version

    A A Q Q -102L -102LV V 14 Technical data Instruction manual Version: 1.04 Carry: - continuous carry - make-and-carry for 3 s 16 A - make-and-carry for 0.5 s 30 A Breaking capacity DC* 40 W (0.36 A at 110 V DC) Contact material AgNi 90/10 *) When the time constant L/R = 40 ms.

  • Page 40: Disturbance Tests

    A A Q Q -102L -102LV V 14 Technical data Instruction manual Version: 1.04 Detection radius 360º Bending radius 5 cm Operating temperature –40…+85 ºC AQ-07 fiber optic loop sensor Table. 14.7 - 13. Technical data for the AQ-07 fiber optic loop sensor. Material Covered glass fiber Light intensity threshold...

  • Page 41: Voltage Tests

    A A Q Q -102L -102LV V 14 Technical data Instruction manual Version: 1.04 Electrostatic discharge immunity Air discharge: 15 kV (IEC 244-222 and EN 61000-4-2, level 4) Contact discharge: 8 kV Electrical fast transients Power supply input: 4 kV, 5/50 ns (EN 61000-4-4, class III &...
  • Page 42 A A Q Q -102L -102LV V 14 Technical data Instruction manual Version: 1.04 Device dimensions (W × H × D) 50 × 157 × 160 mm Weight 0.7 kg © Arcteq Relays Ltd IM00048...

  • Page 43: Ordering Inf Dering Informa Ormation Tion

    A A Q Q -102L -102LV V 15 Ordering information Instruction manual Version: 1.04 15 Ordering information AQ-102LV fiber optic loop sensor device Accessories Order Description Note Manufacturer code Wall mounting Arcteq Relays AX006 For AQ-103 and AQ-110x variants (MV and LV). bracket Ltd.

  • Page 44: Contact And Re E F F Er Erence Inf Ence Informa Ormation Tion

    A A Q Q -102L -102LV V 16 Contact and reference information Instruction manual Version: 1.04 16 Contact and reference information Manufacturer Arcteq Relays Ltd. Visiting and postal address Kvartsikatu 2 A 1 65300 Vaasa, Finland Contacts Phone: +358 10 3221 370 Website: arcteq.com Technical support:...