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INSTRUCTION MANUAL AQ 110 Arc Protection Unit...
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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.
Instruction manual – AQ 110 arc protection unit 3 (80 TABLE OF CONTENTS 1 ABBREVIATIONS ................... 6 2 GENERAL ....................... 7 Arc protection unit AQ 110 features ............7 Simplified block diagram ................ 9 3 OPERATION AND CONFIGURATION ............11 LED indicator functions ................
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Instruction manual – AQ 110 arc protection unit 4 (80 Scheme AQ IA1 (One Main) ..............39 6.2.1 Scheme characteristics..............39 6.2.2 I/O description ................. 40 6.2.3 Trip logic, connection diagram and dipswitch settings ..... 41 Scheme AQ IB1 (One Main) ..............43 6.3.1 Scheme characteristics..............
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Instruction manual – AQ 110 arc protection unit 5 (80 10.5 Test plan example ................73 11 TROUBLESHOOTING GUIDE ..............75 12 TECHNICAL DATA ..................76 12.1 Protection stages ................. 76 12.2 Auxiliary voltage ................... 76 12.3 Current measuring circuits ..............76 12.4 Trip relays T1, T2, T3, T4 ..............
Instruction manual – AQ 110 arc protection unit 7 (80 ENERAL AQ 110 is a sophisticated micro-processor based arc flash protection unit with combined current and arc sensing. Combined current and arc sensing provides an integrated dual trip criteria. It is designed to minimize the damage caused by an arcing fault (arc flash) by tripping the circuit breaker sourcing the fault current.
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Instruction manual – AQ 110 arc protection unit 8 (80 1 binary output (24Vdc) 1 system failure relay output Figure 2-1 Arc protection unit AQ 110...
Instruction manual – AQ 110 arc protection unit 9 (80 IMPLIFIED BLOCK DIAGRAM Simplified block diagrams in Figure 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: AQ110P simplified block diagram...
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Instruction manual – AQ 110 arc protection unit 10 (80 Figure 2-3: AQ 110F simplified block diagram...
Instruction manual – AQ 110 arc protection unit 11 (80 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.
Instruction manual – AQ 110 arc protection unit 12 (80 power supply loss the actual LED status can be visualized from the front of the unit. LED OPERATION QUICK GUIDE The table below describes the function of each indicator LED in front of the AQ 110 unit.
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Instruction manual – AQ 110 arc protection unit 13 (80 N/A in AQ 110F Normal status Sensor channel Fiber sensor Check why sensor activated or 5 activated discontinuity or check the sensor continuity or system set-up perform system set-up (see Amber N/A in AQ 110F not performed...
Instruction manual – AQ 110 arc protection unit 14 (80 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.
Instruction manual – AQ 110 arc protection unit 15 (80 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.
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Instruction manual – AQ 110 arc protection unit 16 (80 (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. Figure 3-1 AQ 110 dipswitch SW1 and SW2 Dipswitch Function selection...
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Instruction manual – AQ 110 arc protection unit 17 (80 Dipswitch Function selection ON (LEFT OFF (RIGHT 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. T1/T2 Latch/non- latch Latch or non-latch for...
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Instruction manual – AQ 110 arc protection unit 18 (80 Figure 3-2: AQ 110P internal logic. Figure 3-3: AQ 110F internal logic...
Instruction manual – AQ 110 arc protection unit 19 (80 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.
Instruction manual – AQ 110 arc protection unit 20 (80 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.
Instruction manual – AQ 110 arc protection unit 21 (80 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. The same screw pattern is utilized in through wall mounting arrangement as well.
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Instruction manual – AQ 110 arc protection unit 22 (80 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.
AQ 06 is not recommended to be cut and/or spliced on site. If cutting/splicing is necessary due to accidental breakage please contact your nearest Arcteq representative. The fixed light sensitivity of the AQ06 sensor is 8000 LUX. Sensor does not...
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. 4.2.1 AQ 06 T ECHNICAL DATA...
AQ 07 is not recommended to be cut and/or spliced on site. If cutting/splicing is necessary due to accidental breakage please contact your nearest Arcteq representative. The fixed light sensitivity of the AQ07 sensor is 8000 LUX. Sensor does not require user settings.
AQ 08 is not recommended to be cut and/or spliced on site. If cutting/splicing is necessary due to accidental breakage please contact your nearest Arcteq representative. The fixed light sensitivity of the AQ08 sensor is 8000 LUX. Sensor does not...
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. 4.4.1 AQ 08 T ECHNICAL DATA...
Instruction manual – AQ 110 arc protection unit 28 (80 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 AQ 01 AQ06 AQ07...
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Instruction manual – AQ 110 arc protection unit 29 (80 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.
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Instruction manual – AQ 110 arc protection unit 30 (80 4) Check the front panel of the unit, only POWER LED turns on at this moment. (See Figure 4.9) Figure 4.9...
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Instruction manual – AQ 110 arc protection unit 31 (80 5) Attach the connector back to the sensor PCB. (See Figure 4.10) Figure 4.10 6) After connecting the sensor to unit, the ERROR LED turns on, and the appropriate sensor channel LED starts to blink (e.g.S1 LED).(See Figure 4.11) Figure 4.11...
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Instruction manual – AQ 110 arc protection unit 32 (80 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). Figure 4.12 8) After completing the system auto-configuration setting, close both end side- covers back.
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Instruction manual – AQ 110 arc protection unit 33 (80 9) A maximum amount of 3 arc sensors can be daisy-chained to the same sensor input on the AQ101 unit. (See Figure 4.14) Figure 4.14 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 and ready to operate.
Instruction manual – AQ 110 arc protection unit 34 (80 YSTEM SELF SUPERVISION AQ 110 includes extensive self-supervision feature. Self-supervision includes both internal functions and external connections. The self-supervision module monitors power supply, HW and SW malfunctions and binary input connection and sensor problems.
The AQ 100 series is applicable for other type of schemes as well. If your particular application is not included in AQ SAS library consult your nearest Arcteq representative for a solution.
Instruction manual – AQ 110 arc protection unit 36 (80 6.1 S AQ 0A (O CHEME 6.1.1 S CHEME CHARACTERISTICS Number of incoming feeders Number of tie breakers Selective trip of feeder circuit breaker Master trip function Units applied AQ 110P Figure 6-1: Scheme 0A single-line diagram...
Instruction manual – AQ 110 arc protection unit 37 (80 6.1.2 I/O DESCRIPTION AQ 110P: Function IL1,IL2,IL3 Monitoring of phase overcurrent threshold level at incoming feeder 1 Monitoring of residual current threshold level at incoming feeder 1 Monitoring of arc light in incoming feeder 1 cable compartment and bus-duct (Zone 1) S2, S5 Monitoring of arc light in incoming feeder 1...
Instruction manual – AQ 110 arc protection unit 38 (80 6.1.3 T RIP LOGIC CONNECTION DIAGRAM AND DIPSWITCH SETTINGS CB4-x Zone 1 Zone 2 Zone 3 AQ 110 T3,T4 Table 6-1: Scheme 0A trip logic Figure 6-2: Scheme IA1 system connection diagram and dipswitch settings...
Instruction manual – AQ 110 arc protection unit 39 (80 AQ IA1 (O CHEME 6.2.1 S CHEME CHARACTERISTICS Number of incoming feeders Number of tie breakers Selective trip of feeder circuit breaker Master trip function Units applied AQ 110P and AQ 101 Figure 6-3: Scheme IA1 single-line diagram...
Instruction manual – AQ 110 arc protection unit 40 (80 6.2.2 I/O DESCRIPTION AQ 110P: Function IL1,IL2,IL3 Monitoring of phase overcurrent threshold level at incoming feeder 1 Monitoring of residual current threshold level at incoming feeder 1 Monitoring of arc light in incoming feeder 1 cable compartment and bus-duct (Zone 1) S2, S3 Monitoring of arc light in incoming feeder 1...
Instruction manual – AQ 110 arc protection unit 41 (80 AQ101 (all units): Function Monitoring of arc light in outgoing feeder cable compartment for selective trip (Zone 3) Monitoring of arc light in outgoing feeder breaker compartment and busbar compartment (Zone 2) (*) Sending light information to AQ 110 unit of incoming feeder 1 Receiving overcurrent information from AQ 110 unit of...
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Instruction manual – AQ 110 arc protection unit 42 (80 Figure 6-4: Scheme IA1 system connection diagram and dipswitch settings...
Instruction manual – AQ 110 arc protection unit 43 (80 AQ IB1 (O CHEME 6.3.1 S CHEME CHARACTERISTICS Number of incoming feeders Number of tie breakers Selective tripping of feeder circuit breaker Master trip function AQ 110P and AQ Units applied Figure 6-5: Scheme IB1 single-line diagram...
Instruction manual – AQ 110 arc protection unit 44 (80 6.3.2 I/O DESCRIPTION AQ110P: Function IL1,IL2,IL3 Monitoring of phase overcurrent threshold level at incoming feeder 1 Monitoring of residual current threshold level at incoming feeder 1 Monitoring of arc light in incoming feeder 1 cable compartment and bus-duct (Zone 1) S2, S3 Monitoring of arc light in incoming feeder 1...
Instruction manual – AQ 110 arc protection unit 45 (80 AQ101: Function Not in use (*) S2,S3,S4 Monitoring of arc light in outgoing feeder breaker compartments and busbars compartment (Zone 2) Sending light information to AQ 110 unit of incoming feeder 1 Receiving overcurrent information from AQ 110 unit of incoming feeder 1 Receiving master trip information from AQ 110 unit...
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Instruction manual – AQ 110 arc protection unit 46 (80 Figure 6-6: Scheme IB1 system connection diagram and dipswitch settings...
Instruction manual – AQ 110 arc protection unit 47 (80 AQ- IIA1 (M CHEME 6.4.1 S CHEME CHARACTERISTICS Number of incoming feeders Number of tie breakers Selective trip of feeder circuit breaker Master trip function AQ 110P and AQ Units applied Figure 6-7: Scheme IIA1 single-line diagram.
Instruction manual – AQ 110 arc protection unit 48 (80 6.4.2 I/O DESCRIPTION AQ110P (Busbar A): Function IL1,IL2,IL3 Monitoring of phase overcurrent threshold level at incoming feeder 1 Monitoring of residual current threshold level at incoming feeder 1 Monitoring of arc light in incoming feeder 1 cable compartment and bus-duct (Zone 1A) S2, S3 Monitoring of arc light in incoming feeder 1...
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Instruction manual – AQ 110 arc protection unit 49 (80 AQ110P (Busbar B): Function IL1,IL2,IL3 Monitoring of phase overcurrent threshold level at incoming feeder 2 Monitoring of residual current threshold level at incoming feeder 2 Monitoring of arc light in incoming feeder 2 cable compartment and bus-duct (Zone 1B) S2, S3 Monitoring of arc light in incoming feeder 2...
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Instruction manual – AQ 110 arc protection unit 50 (80 AQ101 (all units at busbar A): Function Monitoring of arc light in outgoing feeder cable compartment for selective trip (Zone 3A) Monitoring of arc light in outgoing feeder breaker compartment and busbar compartment (Zone 2A) (*) Sending light information to AQ 110 unit of incoming feeder 1 Receiving overcurrent information from AQ 110 unit of...
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Instruction manual – AQ 110 arc protection unit 51 (80 AQ101 (all units at busbar B): Function Monitoring of arc light in outgoing feeder cable compartment for selective tripping (Zone 3B) Monitoring of arc light in outgoing feeder breaker compartment and busbar compartment (Zone 2B)(*) Sending light information to AQ 110 unit of incoming feeder 2 Receiving overcurrent information from AQ 110 unit of...
Instruction manual – AQ 110 arc protection unit 52 (80 6.4.3 T RIP LOGIC CONNECTION DIAGRAM AND DIPSWITCH SETTINGS CB1A CB2A CB4A-x CB3AB CB1B CB2B CB4B-x Zone 1A Zone 2A x (MT) Zone 3A Zone 1B Zone 2B x (MT) Zone 3B CBFP of CB1A CBFP of CB4A-x...
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Instruction manual – AQ 110 arc protection unit 53 (80 Figure 6-8: Scheme IIA1 system connection diagram and dipswitch settings.
Instruction manual – AQ 110 arc protection unit 54 (80 AQ-IIB1 (M CHEME 6.5.1 S CHEME CHARACTERISTICS Number of incoming feeders Number of tie breakers Selective trip of feeder circuit breaker Master trip function Units applied AQ 110P and AQ Figure 6-9: Scheme IIB1 single line diagram.
Instruction manual – AQ 110 arc protection unit 55 (80 6.5.2 I/O DESCRIPTION AQ110P (Busbar A): Function IL1,IL2,IL3 Monitoring of phase overcurrent threshold level at incoming feeder 1 Monitoring of residual current threshold level at incoming feeder 1 Monitoring of arc light in incoming feeder 1 cable compartment and bus-duct (Zone 1A) S2, S3 Monitoring of arc light in incoming feeder 1...
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Instruction manual – AQ 110 arc protection unit 56 (80 AQ110P (Busbar B): Function IL1,IL2,IL3 Monitoring of phase overcurrent threshold level at incoming feeder 2 Monitoring of residual current threshold level at incoming feeder 2 Monitoring of arc light in incoming feeder 2 cable compartment and bus-duct (Zone 1B) S2, S3 Monitoring of arc light in incoming feeder 2...
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Instruction manual – AQ 110 arc protection unit 57 (80 AQ101 (Busbar A): Function Not in use (*) S2,S3,S4 Monitoring of arc light in outgoing feeder breaker compartments and busbar compartments (Zone Sending light information to AQ 110 unit of incoming feeder 1 Receiving overcurrent information from AQ 110 unit of incoming feeder 1...
Instruction manual – AQ 110 arc protection unit 58 (80 AQ101 (Busbar B): Function Not in use (*) S2,S3,S4 Monitoring of arc light in outgoing feeder breaker compartments and busbar compartments (Zone Sending light information to AQ 110 unit of incoming feeder 2 Receiving overcurrent information from AQ 110 unit of incoming feeder 2...
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Instruction manual – AQ 110 arc protection unit 59 (80 Figure 6-10: Scheme IIB1 system connection diagram and dipswitch settings.
Instruction manual – AQ 110 arc protection unit 62 (80 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.
Instruction manual – AQ 110 arc protection unit 63 (80 7.1.4 B INARY OUTPUT One binary output is available (+24V dc). Binary output function can be configured using dipswitches (see chapter 3.6 Dipswitch settings). Note: the binary output is polarity sensitive (see chapter 8 Wiring diagram). 7.1.5 S YSTEM FAILURE RELAY System failure relay SF is a changeover type (NO/NC) and is energized in...
Instruction manual – AQ 110 arc protection unit 64 (80 configured to control the arc quenching system (eliminator. In this case Tx shall be utilized to control the arc quenching system. The unit is sending a continuous light pulse to arc quenching system for self-supervision purposes. AQ 110F version has 3 arc fiber loop sensor channels (S1, S2, S3) with transceiver and receiver (Tx, Rx) in each channel.
Instruction manual – AQ 110 arc protection unit 67 (80 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)
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Instruction manual – AQ 110 arc protection unit 68 (80 Figure 9-2: AQ 110 dimensions in millimeters (3D view)
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Instruction manual – AQ 110 arc protection unit 69 (80 Figure 9-3: AQ 110 cut out for panel mounting (millimeters)
Instruction manual – AQ 110 arc protection unit 70 (80 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.
Instruction manual – AQ 110 arc protection unit 71 (80 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.
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.
Instruction manual – AQ 110 arc protection unit 73 (80 10.5 T EST PLAN EXAMPLE Date: Substation Switchgear: AQ 110 serial number: Preconditions Light only Light + Remark current Sensor channel 1 setting Sensor channel 2,3,4 setting Circuit breaker failure protection in use (Yes / No): Object...
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Instruction manual – AQ 110 arc protection unit 74 (80 Tested by : Approved by:...
Instruction manual – AQ 110 arc protection unit 75 (80 11 T ROUBLESHOOTING GUIDE Problem Check Cross reference Sensor does not activate when Sensor cable wiring Chapter 4.6 of this manual testing Camera (or other test equipment) Chapter 10 of this manual flash intensity Trip relay(s) does not operate Dipswitch settings and current...
Instruction manual – AQ 110 arc protection unit 76 (80 12 T ECHNICAL DATA 12.1 P ROTECTION STAGES Trip time using HSO 2ms* Trip time using mechanical trip relays 7ms* Reset time (light stage) Reset time (overcurrent stages) 50ms Protection operational after power up 50ms *total trip time using arc light (L>) or phase/residual overcurrent (I>) and arc light (L>) 12.2 A...
Instruction manual – AQ 110 arc protection unit 77 (80 12.6 B INARY UTPUT Rated voltage +24V dc (internally wetted) Rated current 20mA (max) Number of outputs 12.7 B BI1, BI2 INARY NPUTS Rated voltage 24 or 110 or 220Vdc Rated current 3 mA Number of inputs...
Instruction manual – AQ 110 arc protection unit 78 (80 12.11 C ASING AND PACKAGE Protection degree (front) IP 54 Dimensions (W x H x D mm) w x h x d mm Weight 1.2kg 1.5kg (with package) 12.12 E NVIRONMENTAL CONDITIONS Specified ambient service temp.
Instruction manual – AQ 110 arc protection unit 79 (80 13 O RDERING CODES 13.1 AQ 110 P OINT SENSOR 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 B 18…72 Vdc...
Instruction manual – AQ 110 arc protection unit 80 (80 14 R EFERENCE INFORMATION Manufacturer information: Arcteq Relays Ltd. Finland Visiting and postal address: Wolffintie 36 F 11 65200 Vaasa, Finland Contacts: Phone: +358 10 3221 370 Fax: +358 10 3221 389 url: www.arcteq.fi...
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