Arcteq AQ 110 Instruction Manual
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Arcteq AQ 110 Instruction Manual

Arc protection unit
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INSTRUCTION MANUAL
AQ 110 ̶ Arc Protection Unit

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  • Page 1 INSTRUCTION MANUAL AQ 110 ̶ Arc Protection Unit...
  • Page 2 Instruction manual – AQ 110 arc protection unit 2 (65 Revision Date July 2011 Changes Sensor chapter revised. (Fiber pictures and point sensor connections). Standard Arc System chapter revised. (e.g. scheme 0a added) Dipswitch definition updated (e.g. HSO latch/non- latch) LED description revised, (current channels LEDs will not blink during the auto-configuration.)
  • Page 3 Electrical equipment should be installed, operated, serviced, and maintained only by qualified personnel. Local safety regulations should be followed. No responsibility is assumed by Arcteq for any consequences arising out of the use of this material. We reserve right to changes without further notice.

  • Page 4: Table Of Contents

    Instruction manual – AQ 110 arc protection unit 4 (65 TABLE OF CONTENTS 1 ABBREVIATIONS ......................7 2 GENERAL .......................... 8 Arc protection unit AQ 110 features ............9 Simplified block diagram ................11 3 OPERATION AND CONFIGURATION ..............13 LED indicator functions ................
  • Page 5 Instruction manual – AQ 110 arc protection unit 5 (65 7.1.1 Trip relays T1 and T2 .................. 49 7.1.2 Trip relays T3 and T4 .................. 49 7.1.3 High Speed Outputs (HSO1 and HSO2) ..........49 7.1.4 Binary output BO1 ..................50 7.1.5 System failure relay SF ................
  • Page 6 Instruction manual – AQ 110 arc protection unit 6 (65 14 REFERENCE INFORMATION ..................65...

  • Page 7: Abbreviations

    Instruction manual – AQ 110 arc protection unit 7 (65 BBREVIATIONS CB – Circuit breaker CBFP – Circuit breaker failure protection CT – Current transformer EMC – Electromagnetic compatibility HW – Hardware HSO – High speed output LED – Light emitting diode LV –...

  • Page 8: General

    AQ 110 is a multipurpose arc flash protection unit and can be applied for variety of applications. AQ 110 can be used as a stand-alone unit or as a main unit of a more complex arc protection system through the binary bus.

  • Page 9: Arc Protection Unit Aq 110 Features

    RC PROTECTION UNIT FEATURES AQ 110 comes in two versions. AQ110P supports 4 point sensor channels and optionally one fiber sensor channel. AQ 110F supports 3 fiber sensor channels. All other features are the same in both versions. Main features of...
  • Page 10 Instruction manual – AQ 110 arc protection unit 10 (65 Figure 2-1 Arc protection unit AQ 110...

  • Page 11: Simplified Block Diagram

    Instruction manual – AQ 110 arc protection unit 11 (65 IMPLIFIED BLOCK DIAGRAM Simplified block diagrams in Figure 2-2-2: AQ110P simplified block diagram and Figure 2-3: AQ 110F simplified block diagram show the main components of the AQ110 unit. Figure 2-2-2: AQ110P simplified block diagram...
  • Page 12 Instruction manual – AQ 110 arc protection unit 12 (65 Figure 2-3: AQ 110F simplified block diagram...

  • Page 13: Operation And Configuration

    PERATION AND CONFIGURATION INDICATOR FUNCTIONS AQ 110 contains 20 indication LEDs. A user definable text pocket can be slid in for identifying each LED function (except Power and Error LEDs). LEDs are located at the front plate of the unit for clear viewing without a need for opening doors.

  • Page 14: Led Operation Quick Guide

    The table below describes the function of each indicator LED in front of the AQ 110 unit. Note that the use of sensor channels differs between AQ 110P and AQ 110F versions. Sensor channels S4 and S5 are not in use in AQ 110F...
  • Page 15 Instruction manual – AQ 110 arc protection unit 15 (65 STEADY BLINKING ACTION IF ABNORMAL POWER Auxiliary Auxiliary Check the power source supply power disconnected connected Blue System System failure Configuration Verify system condition. see ERROR healthy mismatch. chapters 11:...
  • Page 16 Instruction manual – AQ 110 arc protection unit 16 (65 Normal Sensor Fiber sensor Check why sensor activated status channel 5 discontinuity or check the sensor activated or system set- continuity or perform Amber up not system set-up (see N/A in AQ performed chapter:3.3.1 Auto...

  • Page 17: Push-Button Description

    Instruction manual – AQ 110 arc protection unit 17 (65 BUTTON DESCRIPTION AQ 110 contains one single push-button (SET) that can be used for all operational functions of the unit. The push-button is utilized for auto- configuration of the system (see chapter 3.3.1) and for resetting the indicators and latched output relays.

  • Page 18: Input Connection Check

    URRENT THRESHOLD SETTING AQ 110 unit has 4 current measurement inputs utilized for 3 phase and residual current measurement. Both phase current and residual current measurements are utilized as second trip criteria in an arc protection system in order to avoid trip caused by natural light sources.

  • Page 19: Dipswitch Settings

    Also the circuit breaker failure protection (CBFP) scheme may be enabled using the dipswitches. See Table 3-2 AQ 110 dipswitch SW 1 setting and Table 3-3: AQ 110 dipswitch SW 2 setting for details of settings.
  • Page 20 Instruction manual – AQ 110 arc protection unit 20 (65 Dipswitch Function ON (LEFT OFF (RIGHT selection POSITION) POSITION) Sensor channel 1 trip Trip on light only (L>). Trip on light and criteria overcurrent (L> + I>). Both signals are required S1: L>...
  • Page 21 Instruction manual – AQ 110 arc protection unit 21 (65 Dipswitch Function ON (LEFT OFF (RIGHT selection POSITION) POSITION) Latch or non-latch for T1 and T2 operate as T1 and T2 operate as trip relays T1 and T2 latched. non-latched.

  • Page 22: Scheme Selection

    Instruction manual – AQ 110 arc protection unit 22 (65 3.5.1 S CHEME SELECTION Logic Scheme 0a • The AQ110P scheme 0a is designed for arc protection solution by a stand- alone unit. The arc fault is detected from any of four sensor channels will commonly trip all trip contacts.
  • Page 23 Instruction manual – AQ 110 arc protection unit 23 (65 Logic Scheme 1a • The AQ110P scheme 1a is typically designed for single incoming feeder single busbar selective arc protection solution. S1 is responsible for monitoring incoming cable compartment. S2 monitors the incoming feeder CB compartment.
  • Page 24 Instruction manual – AQ 110 arc protection unit 24 (65 Logic Scheme 1b • From AQ110P point of view, the design of scheme 1b is very similar to the scheme 1a. HSO1 is acting as additional trip contact in scheme 1b. If...
  • Page 25 Instruction manual – AQ 110 arc protection unit 25 (65 Logic Scheme 2a • The AQ110P scheme 2a is typically designed for two incoming feeder single busbar selective arc protection solution. S1 is responsible for monitoring incoming cable compartment. S2 monitors the incoming feeder CB compartment.
  • Page 26 Instruction manual – AQ 110 arc protection unit 26 (65 Logic Scheme 2b • Scheme 2b is also applied for two incoming feeder single busbar arc protection solution. From AQ110P point of view, the design of scheme 2b is very similar to the scheme 1b.

  • Page 27: Non-Volatile Memory

    Instruction manual – AQ 110 arc protection unit 27 (65 VOLATILE MEMORY All critical system data including dipswitch settings and auto-configuration file described in chapter 3.3.1 are stored in EPROM non-volatile memory to ensure correct operation and full self-supervision even if auxiliary power is lost temporarily.

  • Page 28: Arc Sensors

    Instruction manual – AQ 110 arc protection unit 28 (65 ENSORS AQ 100 series provides choice of different types of arc sensors to be utilized in different units and different switchgear types according to specific application requirements. Available sensor types are arc light point sensors and arc light fiber optic loop sensors.

  • Page 29: Aq 01 Installation And Wiring

    Instruction manual – AQ 110 arc protection unit 29 (65 Figure 4-1: Arc sensor AQ 01 4.1.1 AQ 01 I NSTALLATION AND WIRING AQ 01 is installed either on the compartment wall or through wall. Example of wall mounting is seen in Figure 4-2. AQ 01 is fixed to the wall using two screws.
  • Page 30 Instruction manual – AQ 110 arc protection unit 30 (65 Figure 4-2: AQ 01 mounted to compartment wall. AQ01 comes without connection cable. Connection cable installation at site is simple. Cable connectors are located beneath the covers that can be conveniently detached for fastening the sensor wires.

  • Page 31: Aq 01 Technical Data

    Instruction manual – AQ 110 arc protection unit 31 (65 4.1.2 AQ 01 T ECHNICAL DATA Light intensity threshold 8000Lux / 25000Lux / 50000 Lux Detection radius 180 degrees Mechanical protection IP 64 Sensor wiring arrangement 2 wires and shield Sensor cable specification Shielded twisted pair 0.75mm²...

  • Page 32: Aq 06 Technical Data

    Instruction manual – AQ 110 arc protection unit 32 (65 Figure 4-3 AQ 06 arc light fiber optic loop sensor Note: On request AQ 06 ends can be covered with black rubber part for any requested portion to avoid light detection outside the protected zone. For more information consult your nearest Arcteq representative.

  • Page 33: Arc Light Fiber Optic Loop Sensor Aq 07

    Instruction manual – AQ 110 arc protection unit 33 (65 AQ 07 RC LIGHT FIBER OPTIC LOOP SENSOR AQ 07 is an arc light fiber optic loop sensor. AQ 07 fiber is a robust fiber optic cable providing practically unlimited bending radius. AQ 07 contains hundreds of glass fiber drains covered by a plastic tube making it extremely strong.

  • Page 34: Aq 07 Technical Data

    Instruction manual – AQ 110 arc protection unit 34 (65 4.3.1 AQ 07 T ECHNICAL DATA Light intensity threshold 8000Lux Detection radius 360 degrees Maximum length 50 meters Diameter 1.2 millimeters Bending radius 1 centimeter Operating temperature -40...+85 ̊ C...

  • Page 35: Aq 08 Technical Data

    Instruction manual – AQ 110 arc protection unit 35 (65 Figure 4-5 AQ 08 arc light fiber optic loop sensor Note: On request AQ 08 ends can be covered with black rubber part for any requested portion to avoid light detection outside the protected zone. For more information consult your nearest Arcteq representative.

  • Page 36: Sensor Type Dependencies

    Instruction manual – AQ 110 arc protection unit 36 (65 ENSOR EPENDENCIES Different sensor types can be utilized in different arc flash protection units of the AQ 100 series. The table below describes the dependencies. Table 4-1: Arc sensor dependencies...
  • Page 37 Instruction manual – AQ 110 arc protection unit 37 (65 2) Before connecting the cable to connector, make sure that the connecting order is right (+, signal, shield). The appropriate pins information is shown on the blue bottom part of the sensor. Plug the wires into connector and fasten them by using the screw driver.
  • Page 38 Instruction manual – AQ 110 arc protection unit 38 (65 3) Connect the other end of the cable to a sensor channel on the AQ101 or AQ110P unit. See Figure 4-8. Figure 4-8: AQ01 sensor connection step 3.
  • Page 39 Instruction manual – AQ 110 arc protection unit 39 (65 4) Check the front panel of the unit, only POWER LED turns on at this moment. See Figure 4-9. Figure 4-9: AQ01 sensor connection step 4.
  • Page 40 Instruction manual – AQ 110 arc protection unit 40 (65 5) Attach the connector back to the sensor PCB. See Figure 4-10. Figure 4-10: AQ01 sensor connection step 5. 6) After connecting the sensor to unit, the ERROR LED turns on, and the appropriate sensor channel LED starts to blink (e.g.
  • Page 41 Instruction manual – AQ 110 arc protection unit 41 (65 7) Press and hold the SET push button on the front panel for 2 seconds in order to run system auto-configuration setting. See Figure 4-12.The unit memorizes the sensor amount and Binary input lines connected (if any).
  • Page 42 Instruction manual – AQ 110 arc protection unit 42 (65 Figure 4-14: AQ01 sensor connection step 9. The Auto Configuration is a part of the Self Supervision Function which is making sure that all connections and sensors at all time are fully functional...

  • Page 43: System Self-Supervision

    If one or more of the sensors are disconnected the healthy sensors remain in use and unit remains operational accordingly. The AQ 110 will remain in error mode until the disconnected sensors are repaired.

  • Page 44: Open Ct Monitoring

    Instruction manual – AQ 110 arc protection unit 44 (65 MONITORING If there is a current flow of more than 0.2xIn the unit assumes that the switchgear is energized. In this case phases IL1, IL2 and IL3 are monitored and supervised for open connection (no current flow).

  • Page 45: Application Example

    AQ110P or AQ110F – arc fault detection with overcurrent measurement unit for each incoming feeder, an AQ101 or AQ102 - arc fault detection unit for each outgoing feeder. The arc fault can be detected by Arcteq point sensors or fibre loop sensors in each switchgear compartment.
  • Page 46 Instruction manual – AQ 110 arc protection unit 46 (65 Figure 6-1: Main-tie-Main arc flash protection with AQ100 series products. When arc fault is detected in cable compartment, it only trips local feeder circuit breaker. For incomer cable compartment arc fault, AQ110P or AQ110F can send trip signals to upstream circuit breaker.

  • Page 47: Connections

    Instruction manual – AQ 110 arc protection unit 47 (65 ONNECTIONS Figure 7-1 AQ 110P terminals at rear plate...
  • Page 48 Instruction manual – AQ 110 arc protection unit 48 (65 Figure 7-2 AQ 110F terminals at rear plate...

  • Page 49: Outputs

    49 (65 UTPUTS 7.1.1 T RIP RELAYS The AQ 110 unit has integrated trip relays T1 and T2 for tripping of the circuit-breakers. T1 and T2 relays are normally open type (NO). 7.1.2 T RIP RELAYS T3 relay output may act either as an electronic lock-out relay or as a trip relay.

  • Page 50: Binary Output Bo1

    7.2.1 C URRENT MEASUREMENT INPUTS AQ 110 has 4 CT inputs for 3 phase current and residual current measurement. Both phase current and residual current inputs may be configured to 1 or 5 amps nominal current using dipswitches (see chapter 3.5).

  • Page 51: Binary Inputs Bi1 And Bi2

    7.2.3 B INARY INPUTS AQ 110 contains two binary inputs. The function of binary inputs is selected using dipswitches according to SAS applications (see chapter 3.5). Typically binary inputs are utilized for receiving the arc light information from AQ 101 and AQ 102 units and receiving the overcurrent information from other AQ 110 devices.

  • Page 52: Wiring Diagrams

    Instruction manual – AQ 110 arc protection unit 52 (65 IRING DIAGRAMS Figure 8-1: AQ 110P Wiring diagram...
  • Page 53 Instruction manual – AQ 110 arc protection unit 53 (65 Figure 8-2: AQ 110F Wiring diagram...

  • Page 54: Dimensions And Installation

    Instruction manual – AQ 110 arc protection unit 54 (65 IMENSIONS AND INSTALLATION AQ 110 is either door mounted or panel mounted in standard 19 inch rack (height of 4U and 1/4 of a unit wide). Figure 9-1: AQ 110 dimensions in millimeters (side view)
  • Page 55 Instruction manual – AQ 110 arc protection unit 55 (65 Figure 9-2: AQ 110 cut out for panel mounting (millimeters)

  • Page 56: Testing

    10 T ESTING It is recommended that the AQ 110 unit is tested prior to substation energizing. Testing is carried out by simulating arc light to each sensor and verifying the tripping and LED indication. For arc light simulation, use a superior camera flash type: Canon Speedlite 430EX or equivalent.

  • Page 57: Carrying Out Testing In Light And Current Mode

    Instruction manual – AQ 110 arc protection unit 57 (65 10.2 C ARRYING OUT TESTING IN LIGHT AND CURRENT MODE Check that the dipswitch setting positions are in accordance with your application Activate the camera flash within 20cm (12 inches) of the AQ01 sensor unit and activate the binary input BI1 used for overcurrent condition simultaneously.

  • Page 58: Testing The Cbfp Function

    10.4 T ESTING ARC FLASH PROTECTION UNIT OPERATION TIME The AQ 110 operation time test is not required at commissioning as it is performed by the manufacturer as a type test and routine production test. Refer to routine test reports sent with AQ 110 unit and consult your nearest Arcteq representative for type test reports.

  • Page 59: Test Plan Example

    Instruction manual – AQ 110 arc protection unit 59 (65 10.5 T EST PLAN EXAMPLE Date: Substation Switchgear: AQ 110 serial number: Preconditions Light only Light + current Remark Sensor channel 1 setting Sensor channel 2,3,4 setting Circuit breaker failure...

  • Page 60: Troubleshooting Guide

    Instruction manual – AQ 110 arc protection unit 60 (65 11 T ROUBLESHOOTING GUIDE Problem Check Cross reference Sensor does not activate Sensor cable wiring Chapter 4.6 of this manual when testing Camera (or other test Chapter 10 of this manual...

  • Page 61: Technical Data

    Instruction manual – AQ 110 arc protection unit 61 (65 12 T ECHNICAL DATA 12.1 P ROTECTION STAGES Trip time using HSO 2ms* Trip time using mechanical trip 7ms* relays Reset time (light stage) Reset time (overcurrent stages) 50ms Protection operational after power 50ms *total trip time using arc light (L>) or phase/residual overcurrent (I>) and arc light...

  • Page 62: System Failure Relay Sf

    Instruction manual – AQ 110 arc protection unit 62 (65 12.5 S YSTEM FAILURE RELAY Number Rated voltage 250V ac/dc Continuous carry Make and carry for 0.5s Make and carry for 3s Breaking capacity DC, when time 40W; 0.36A at 110 Vdc...

  • Page 63: Disturbance Tests

    Instruction manual – AQ 110 arc protection unit 63 (65 12.9 D ISTURBANCE TESTS EMC test CE approved and tested according to EN 50081-2, EN 50082-2 Emission - Conducted (EN 55011 class A) 0.15 - 30 MHz - Emitted (EN 55011 class A)

  • Page 64: Rdering Codes

    Instruction manual – AQ 110 arc protection unit 64 (65 RDERING CODES 13.1 AQ 110 X CURRENT MEASUREMENT AND ARC SENSING UNIT AQ - 1 1 0 x X X X X Sensor card version P Point sensor unit F Fiber sensor unit Auxiliary power supply A 80…265 Vac/dc...

  • Page 65: Instruction Manual – Aq 110 Arc Protection Unit

    Instruction manual – AQ 110 arc protection unit 65 (65 14 R EFERENCE INFORMATION Manufacturer information: Arcteq Relays Ltd. Finland Visiting and postal address: Wolffintie 36 F 12 65200 Vaasa, Finland Contacts: Phone: +358 10 3221 370 Fax: +358 10 3221 389 url: www.arcteq.fi...

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