Arcteq AQ-102LV, Manual

Page 1: ...AQ 102LV Arc flash protection unit ...

Page 2: ...nit dependencies 21 5 5 Connecting sensors 21 6 S 6 Sy yst stem self super em self supervision vision 22 22 7 Connections 7 Connections 23 23 7 1 Outputs 26 7 1 1 Trip relays 26 7 1 2 Binary outputs 26 7 1 3 System failure relay 27 7 2 Inputs 27 7 2 1 Arc sensor channels 27 7 2 2 Binary inputs 27 7 3 Auxiliary voltage 27 8 T 8 Testing esting 28 28 8 1 Testing the light only mode 28 8 2 Testing the...

Page 3: ...11 Or 11 Ordering inf dering informa ormation tion 35 35 12 Contact and r 12 Contact and re ef fer erence inf ence informa ormation tion 36 36 A AQ Q 102L 102LV V Version 1 00 Arcteq Relays Ltd 2 ...

Page 4: ... 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 fulfil the aforementioned requirements Furthermore the manufacturer shall not be liable for possible errors in this document Please ...

Page 5: ...Copyright Copyright Arcteq Relays Ltd 2020 All rights reserved A AQ Q 102L 102LV V Version 1 00 Arcteq Relays Ltd 4 ...

Page 6: ...1 Manual revision notes R Re evision vision 1 00 1 00 Date September 2020 Changes The first revision of the manual A AQ Q 102L 102LV V Version 1 00 5 Arcteq Relays Ltd ...

Page 7: ...rogrammable read only memory HSO high speed output LED light emitting diode LV low voltage MV medium voltage NC normally closed NO normally open PCB printed circuit board QD quenching device RF radio frequency Rx receiver SAS standard arc scheme SF system failure Tx transceiver μP microprocessor A AQ Q 102L 102LV V Version 1 00 Arcteq Relays Ltd 6 ...

Page 8: ...uitable 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 retrofitted i...

Page 9: ...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 A AQ Q 102L 102LV V Version 1 00 Arcteq Relays Ltd 8 ...

Page 10: ...Figure 3 1 2 Cut out for panel mounting a unit 3 2 Wiring A AQ Q 102L 102LV V Version 1 00 9 Arcteq Relays Ltd ...

Page 11: ...esents the main features of the unit 92 265 V AC DC auxiliary power supply or or 18 72 V DC auxiliary power supply optional three 3 fiber loop channels two 2 binary inputs with nominal operation voltage of 24 V DC three 3 normally open trip relay outputs one 1 normally open trip relay output or or one 1 normally closed trip relay output electronic lock out one 1 binary output 24 V DC one 1 system ...

Page 12: ...Figure 3 3 4 Arc protection unit AQ 102LV 3 4 Simplified block diagram The figure below presents the main components of the AQ 102LV unit A AQ Q 102L 102LV V Version 1 00 11 Arcteq Relays Ltd ...

Page 13: ...Figure 3 4 5 Simplified block diagram of AQ 102LV A AQ Q 102L 102LV V Version 1 00 Arcteq Relays Ltd 12 ...

Page 14: ...s become active for longer than 1 5 ms the corresponding LED turns on that is they become latched This also happens when a trip situation occurs The trip outputs are controlled with DIP switch settings All activation and trip indication LEDs are latched even if the DIP switch settings are in the non latched mode All LED indications are stored in the non volatile memory EPROM to help identify the n...

Page 15: ...for two seconds This causes the sensor and binary LEDs to start blinking The unit scans these inputs to see if they are connected when an input is detected the corresponding LED lights up to mark that a connection was found All inputs that are not connected continue to blink for three more seconds Then all LEDs are turned off Additionally the DIP switch setting are stored in the non volatile memor...

Page 16: ...lock tripping caused by natural light sources The CBFP circuit breaker failure protection scheme can also be enabled with the DIP switches The DIP switch s pins 1 4 are used for selecting schemes and their numbering is based on binary arithmetic The DIP switches are located at the back of the unit for easy access The figure below presents the DIP switch numbering and the table below that gives a d...

Page 17: ...ction and Application examples chapters 1 scheme select Scheme selection Please refer to the Scheme selection and Application examples chapters Please refer to the Scheme selection and Application examples chapters 4 4 1 Scheme selection This chapter describes the schemes that are available to this unit The schemes are configured using the DIP switches numbered 1 4 Scheme selection 4 4 2 Available...

Page 18: ...iguration includes the light only setting i e when L has been selected for the DIP switch SW1 6 SS 2 1 If the blocking function SW1 5 is ON the activation of BI2 block all trip output signals 2 If the blocking function SW1 5 is OFF the binary input BI2 can be used to receive an external current signal The tripping criterion can be selected to be light only L or both light and current L I NO NOTE T...

Page 19: ...lable when the unit s configuration includes the light only setting i e when L has been selected for the DIP switch SW1 6 4 5 Non volatile memory All critical system data such as DIP switch settings and the system setup file are stored in the non volatile memory EPROM to ensure accurate operation and full self supervision even if auxiliary power is lost temporarily Additionally all LED indications...

Page 20: ...m It is not recommended to cut or splice the cable on site However if cutting or splicing is necessary due to the cable breaking please contact your nearest Arcteq representative for instructions When requested the ends of an AQ 06 cable can be covered with black rubber to avoid light detection outside the protected zone see the figure below The covered area can be as large or small as necessary F...

Page 21: ...ss fiber drains that are covered by a plastic tube thus making it extremely strong and durable Fiber sensors are distributed through the protected switchgear cells AQ 08 sensors can be ordered in pre manufactured lengths of 3 15 meters 3 m 5 m 10 m 15 m It is not recommended to cut or splice the cable on site However if cutting or splicing is necessary due to the cable breaking please contact your...

Page 22: ...er option A AQ Q 110FL 110FLV V No No Yes when the unit is equipped with the fiber option Yes when the unit is equipped with the fiber option Yes when the unit is equipped with the fiber option 5 5 Connecting sensors How to connect point sensors Open the sensor covers and detach the connectors Attach the cable to the connector and to the unit and reattach the connectors to the sensor Next run the ...

Page 23: ...r LED becomes lit If a sensor failure occurs the unit will go into Error mode The Error LED turns on the SF relay releases and the LED of the corresponding faulty sensor channel starts blinking In this situation the unit is still in the protection mode although the faulty sensor channel is blocked If the error is resolved the unit automatically clears the system failure status enegizing the SF rel...

Page 24: ...7 Connections A AQ Q 102L 102LV V Version 1 00 23 Arcteq Relays Ltd ...

Page 25: ...Figure 7 10 Rear terminals of AQ 102LV A AQ Q 102L 102LV V Version 1 00 Arcteq Relays Ltd 24 ...

Page 26: ...A AQ Q 102L 102LV V Version 1 00 25 Arcteq Relays Ltd ...

Page 27: ... the same contact condition it had prior to the power loss This normally closed relay output can also be used for tripping contactor controlled devices If the application so requires T3 can also be ordered as normally open NO from the factory This choice is specified when ordering this unit T4 is a common trip relay that operates whenever T1 or T2 operates It can be used either for tripping one ad...

Page 28: ...2 2 Binary inputs This unit contains two 2 binary inputs BI1 is always reserved for the signal from the secondary trip criterion Typically the unit receives overcurrent information from an AQ 110x unit although such information can also come from a non Arcteq device such as an upstream protection relay Alternatively any other signal such as undervoltage can be used as a secondary trip criterion al...

Page 29: ...by repeating the steps 4 and 5 10 Press the SET SET push button to reset all indications and latches 11 Repeat the steps 1 through 10 for all sensors 8 2 Testing the light and current mode 1 Check that the DIP switch settings are positioned according to your application 2 Activate the following two things simultaneously the camera flash within 30 cm 12 inches of the sensor unit that is being teste...

Page 30: ...ion of these tests please refer to the routine test reports sent with the AQ 102 unit and or consult your nearest Arcteq representative for the type test reports However if it is deemed necessary you can conduct an on site timing test with the following instructions 1 Use a calibrated relay test set 2 Connect one of the test set s outputs to a camera flash Canon xxx or equivalent to initialize the...

Page 31: ...A AQ Q 102L 102LV V Version 1 00 Arcteq Relays Ltd 30 ...

Page 32: ...he Arc sensors chapter for more information or or Check the testing equipment especially the camera flash intensity see the Testing chapter for more information The trip relay does not operate even when the sensor is activated Check the DIP switch settings see the DIP switch settings chapter for more information A AQ Q 102L 102LV V Version 1 00 31 Arcteq Relays Ltd ...

Page 33: ...y 0 5 s make and carry 5 A 16 A 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 10 2 2 Binary output s Rated voltage 24 V DC Rated current max 20 mA Number of outputs 1 10 2 3 System failure relay Number of SF relays 1 Rated voltage 250 V AC DC Carry continuous carry 3 s make and carry 0 5 s make and carry 5 A 16 A 30 A Breaking capaci...

Page 34: ... max 3 40 m Cable diameter 1 0 mm Detection radius 360º Bending radius 5 cm Operating temperature 40 85 ºC AQ 07 fiber optic loop sensor Material Covered glass fiber Light intensity threshold 8 000 lux Cable length min max 3 50 m Cable diameter 1 2 mm Detection radius 360º Bending radius 1 cm Operating temperature 40 85 ºC AQ 08 fiber optic loop sensor Material Covered glass fiber Light intensity ...

Page 35: ... 1 2 50 µs RF electromagnetic field EN 61000 4 3 level 3 f 80 1 000 MHz 10 V m Conducted RF field EN 61000 4 6 level 3 f 150 kHz 80 MHz 10 V 10 7 Voltage tests Insulation test voltage IEC 60255 5 2 kV 50 Hz 1 min Impulse test voltage IEC 60255 5 5 kV 1 2 50 µs 0 5 J 10 8 Mechanical tests Vibration test 2 13 2 Hz 3 5 mm 13 2 100 Hz 1 0 g Shock bump test IEC 60255 21 2 20 g 1 000 bumps dir 10 9 Envi...

Page 36: ...optic loop sensors Accessories Order code Description Note Manufacturer AQX099 Wall bracket For AQ 101 AQ 101S and AQ 102 units MV and LV Arcteq Ltd AQX100 Wall bracket For AQ 103 and AQ 110x variants MV and LV Arcteq Ltd A AQ Q 102L 102LV V Version 1 00 35 Arcteq Relays Ltd ...

Page 37: ...Visiting and postal address Kvartsikatu 2 A 1 65300 Vaasa Finland Contacts Phone 358 10 3221 370 Fax 358 10 3221 389 Website general arcteq fi Website technical support support arcteq fi E mail sales sales arcteq fi A AQ Q 102L 102LV V Version 1 00 Arcteq Relays Ltd 36 ...