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Instruction manual – AP901S Arc Protection Unit

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)

A1027A

BBREVIATIONS

CB – Circuit breaker

CBFP – Circuit breaker failure protection

EMC – Electromagnetic compatibility

EPROM – Erasable programmable read only memory

HW – Hardware

LED – Light emitting diode

LV – Low voltage

ms – Millisecond

MV – Medium voltage

NC – Normally closed

NO – Normally open

SF – System failure

SW – Software

uP - Microprocessor

Summary of Contents for AP901S

Page 1: ......

Page 2: ...equipment to become familiar with it before trying to install operate service or maintain it Electrical equipment should be installed operated serviced and maintained only by qualified personnel Local safety regulations should be followed No responsibility is assumed by ICE for any consequences arising out of the use of this material We reserve right to changes without further notice ...

Page 3: ...RS 25 4 1 Sensor Type Dependencies 25 5 SYSTEM SELF SUPERVISION 26 6 APPLICATION EXAMPLES 27 6 1 MV or LV Double Busbar application with current and light condition 27 7 CONNECTIONS 29 7 1 Outputs 30 7 1 1 Trip relays T1 T2 and T3 30 7 1 2 Binary output BO1 BO2 and BO3 30 7 1 3 System failure relay SF 30 7 2 Inputs 30 7 2 1 Arc sensor channels S1 S2 S3 and S4 30 7 2 2 Binary inputs BI1 BI2 BI3 BI4...

Page 4: ...2 TECHNICAL DATA 40 12 1 Protection 40 12 2 Auxiliary voltage 40 12 3 Trip relays T1 T2 T3 40 12 4 Binary Output BO1 BO2 and BO3 40 12 5 Binary Inputs BI1 BI2 BI3 BI4 BI5 and BI6 41 12 6 Disturbance tests 41 12 7 Voltage tests 41 12 8 Mechanical tests 42 12 9 Casing and package 42 12 10Environmental conditions 42 ...

Page 5: ...ker CBFP Circuit breaker failure protection EMC Electromagnetic compatibility EPROM Erasable programmable read only memory HW Hardware LED Light emitting diode LV Low voltage ms Millisecond MV Medium voltage NC Normally closed NO Normally open SF System failure SW Software uP Microprocessor ...

Page 6: ... oil and gas mining steel or any other heavy industry applications and as well commercial and institutional electrical systems AP901S is suitable for either medium voltage or low voltage switchgear and motor control centre applications in both new and retrofit installations 2 1 ARC PROTECTION UNIT AP901S FEATURES AP901S is a multipurpose arc flash protection unit and can be applied for variety of ...

Page 7: ...Instruction manual AP901S Arc Protection Unit 7 43 A1027A Figure 2 1 AP901S Arc protection IO unit ...

Page 8: ...on manual AP901S Arc Protection Unit 8 43 A1027A 2 2 SIMPLIFIED BLOCK DIAGRAM AP901S simplified block diagram in Figure 2 2 shows the main components of the AP901S unit Figure 2 2 AP901S simplified block diagram ...

Page 9: ...r LED activation function is latched steady light To clear the LED the SET button should be pressed In case of a loose sensor wire and binary inputs wire or configuration mismatch new sensor attached without running auto configuration system setup see chapter 3 3 1 situation the corresponding LED will start flashing and the ERROR LED will activate The Binary I O LEDs are indicating the I O line st...

Page 10: ... Binary input 3 loose connection Check the binary input wiring BI4 Amber Normal status Binary input 4 activated Binary input 4 loose connection Check the binary input wiring BI5 Amber Normal status Binary input 5 activated Binary input 5 loose connection Check the binary input wiring BI6 Amber Normal status Binary input 6 activated Binary input 6 loose connection Check the binary input wiring BO1 ...

Page 11: ...ched output relays 3 3 1 AUTO CONFIGURATION SYSTEM SETUP When all sensors and binary lines have been connected an auto configuration procedure must be executed The initialization sequence is performed by pressing the SET button for 2 seconds and the AP901S sensor LEDs and all binary LEDs start blinking The unit scans these inputs to see if they are connected and when input is detected the correspo...

Page 12: ...dipswitch positions This gives users the flexibility to change settings dependent on application Tripping may be selected based on arc light only or arc light and current thresholds or other tripping criteria such as undervoltage or similar Current threshold or other tripping criteria may be applied to binary input BI1 for blocking trip caused by natural light sources Also the CBFP scheme may be e...

Page 13: ...on is always non latched 5 100 150ms CBFP time setting CBFP time is set to 100ms CBFP time is set to 150ms 4 Scheme select Scheme selection The scheme with CBFP function Scheme selection number is according to binary arithmetic The scheme without CBFP function Scheme selection number is according to binary arithmetic 3 Scheme select Scheme selection Scheme selection number is according to binary a...

Page 14: ...ng feeder cable compartment S2 is used for monitoring the corresponding feeder breaker compartment S3 and S4 monitor the busbar compartment The contact T1 is responsible for tripping circuit breaker of the outgoing feeder BI3 receives overcurrent information from the AP910P of incoming feeder BO1 sends light information to AP910P of incoming feeder when there is any arc fault detected by AP901S Fi...

Page 15: ...it breaker T2 is responsible for tripping coupler circuit breaker BI1 and BI2 are responsible for recognizing the incoming circuit breaker position BI3 receives overcurrent information from the AP910P of incoming feeder BI4 BI5 and BI6 are used for sending light information from different location of the busbar BO1 BO2 and BO3 send arc fault information to incoming feeder units and intermediate un...

Page 16: ...T2 is responsible for tripping coupler circuit breaker BI1 and BI2 are responsible for recognizing the incoming circuit breaker position BI3 receives overcurrent information from the AP910P of incoming feeder BI4 BI5 and BI6 are used for sending light information from different location of the busbars BO1 BO2 and BO3 send arc fault information to incoming feeder units and intermediate units Figure...

Page 17: ...uit breaker and the busbar between the section circuit breaker BI3 and BI4 receive over current information from two main busbar sections reprehensively BO1 and BO3 represent the arc fault detected at both main busbar sections Figure 3 5 AP901S logic scheme 4 General trip logic for AP901S SS 4 TRIPPING SIGNALS FAULT LOCATION T1 T2 T3 BO1 BO2 BO3 S1 S2 S3 S4 ...

Page 18: ...ween the section circuit breaker BI1 and BI2 receive MT signal from both incoming AP910P units BI3 and BI4 receive overcurrent information from both incoming AP910P units BO1 and BO3 sends detected arc fault information from busbar and section CB to both incoming AP910P units Figure 3 6 AP901S logic scheme 5 General trip logic for AP901S SS 5 TRIPPING SIGNALS FAULT LOCATION T1 T2 T3 BO1 BO2 BO3 S1...

Page 19: ... breaker main busbar and reserve busbar S2 monitors incomer CB S3 monitors reserve busbar and S4 monitors main busbar BI1 and BI2 are responsible for recognizing the incoming circuit breaker position BI3 receives overcurrent information from the AP910P of incoming feeder BI4 BI5 and BI6 are used for sending light information from different location of the busbar Figure 3 7 AP901S logic scheme 6 ...

Page 20: ...ment S2 is used for monitoring the corresponding feeder breaker compartment S3 and S4 monitor the busbar compartment The contact T1 is responsible for tripping circuit breaker of the outgoing feeder BI3 receives overcurrent information from the AP910P of incoming feeder BO1 sends light information to AP910P of incoming feeder when there is any arc fault detected by AP901S Figure 3 8 AP901S logic s...

Page 21: ...monitoring the corresponding feeder breaker compartment S3 and S4 monitor the busbar compartment The contact T1 is responsible for tripping circuit breaker of the outgoing feeder BI3 receives overcurrent information from the AP910P of incoming feeder BO1 sends light information to AP910P of incoming feeder when there is any arc fault detected by AP901S CBFP module is applied into this scheme Figur...

Page 22: ...e for tripping section circuit breaker T2 is responsible for tripping coupler circuit breaker BI1 and BI2 are responsible for recognizing the incoming circuit breaker position BI3 receives overcurrent information from the AP910P of incoming feeder BI4 BI5 and BI6 are used for sending light information from different location of the busbars BO1 BO2 and BO3 send arc fault information to incoming fee...

Page 23: ...ping section circuit breaker T2 is responsible for tripping coupler circuit breaker BI1 and BI2 are responsible for recognizing the incoming circuit breaker position BI3 receives overcurrent information from the AP910P of incoming feeder BI4 BI5 and BI6 are used for sending light information from different location of the busbar BO1 BO2 and BO3 send arc fault information to incoming feeder units a...

Page 24: ...f supervision even if auxiliary power is lost temporarily Also all LED indications described in chapter 3 1 are stored in non volatile memory in order to provide quick recovery of the system status indication even if auxiliary power is lost temporarily This feature is especially important if auxiliary power is lost after tripping Non volatile memory does not require a power supply to maintain info...

Page 25: ...are typically installed in metal clad compartments providing quick accurate location of the faulted area Arc light fiber loop sensors are installed typically to cover a wider protected area with one fiber when no need for more exact fault location exists The detailed instructions are described in Arc Sensors Series Instruction booklet 4 1 SENSOR TYPE DEPENDENCIES Different sensor types can be util...

Page 26: ...sor failure occurs the unit will go into ERROR mode The error LED will turn on the SF relay will release and the corresponding faulty sensor channel LED will start blinking In this situation the unit is still in protection mode but with the faulty sensor channel blocked If the error is resolved the error LED will automatically clear the SF status and failed sensor channel LED will remain as blinki...

Page 27: ...AP901S Figure 6 1 shows an example of a double busbar arc protection system applying both overcurrent and arc light for tripping S1 channel is typically monitoring the outgoing cable compartment S2 channel is monitoring the breaker compartment S3 and S4 are respectively monitoring Reserve busbar and Main busbar The busbar arc light fault information is sent out through binary output channel BO1 ma...

Page 28: ...Instruction manual AP901S Arc Protection Unit 28 43 A1027A Figure 6 1 Double Busbar Application ...

Page 29: ...Instruction manual AP901S Arc Protection Unit 29 43 A1027A 7 CONNECTIONS Figure 7 1 AP901S terminals at rear plate ...

Page 30: ...ry output function can be configured using dipswitches see chapter 3 5 Dipswitch settings Note the binary output is polarity sensitive 7 1 3 SYSTEM FAILURE RELAY SF System failure relay SF is a changeover type NO NC and is energized in healthy condition Whenever AP901S detects a system error or disconnection of the auxiliary power supply the contact changes its state The state of the SF relay rema...

Page 31: ...tion time depends on the operation time of the external device and so total operational time cannot be specified or guaranteed The inputs are activated by connecting a dc signal exceeding the specified nominal threshold level of the corresponding input There are three different nominal threshold levels available 24 or 110 or 220 Vdc The desired threshold value has to be specified when ordering The...

Page 32: ...Instruction manual AP901S Arc Protection Unit 32 43 A1027A 8 WIRING DIAGRAM Figure 8 1 Wiring diagram of AP901S unit ...

Page 33: ...S Arc Protection Unit 33 43 A1027A 9 DIMENSIONS AND INSTALLATION AP901S is either door mounted or panel mounted in standard 19 inch rack height of 4U and 1 8 of a unit wide Figure 9 1 AP901S dimensions in millimetres side view ...

Page 34: ...Instruction manual AP901S Arc Protection Unit 34 43 A1027A Figure 9 2 AP901S cut out for panel mounting millimetres ...

Page 35: ...tion 2 Activate the camera flash within 20cm 12 inches of the AS01 sensor 3 Verify that the corresponding sensor channel indication LED status is changed to ON 4 Verify the relay output s activation s by checking the circuit breaker status or by monitoring trip contact status The circuit breaker should open or contacts operate Note A best practice is to operate the circuit breaker at testing 5 Ver...

Page 36: ...ng The circuit breaker should open or contacts operate 6 Verify that the corresponding relay output s LED s indication status is changed to ON 7 If binary output BO1 BO2 and BO3 signals are utilized verify the BO signal activation by status change of relevant input where binary output signal is connected or by measuring the signal output voltage 8 Verify that the corresponding relay output s LED s...

Page 37: ...relay test set 2 Connect an output from the relay test set to camera flash type Metz 20B1 or equivalent input for initializing the flash and configure a relay test set timer to be started simultaneously with flash 3 connect AP901S trip output T1 T2 or T3 to relay test set input and configure the input to stop the timer 4 Place camera flash to maximum 20cm 12 inch distance of the AS01 5 Initiate fl...

Page 38: ... time setting Yes No 100ms ________ 150ms ________ Object activated LED indication T1 T2 T3 active BO1 active BO2 active BO3 active Remark Sensor channel 1 Sensor 1 Sensor 2 Sensor 3 Sensor channel 2 Sensor 1 Sensor 2 Sensor 3 Sensor channel 3 Sensor 1 Sensor 2 Sensor 3 Sensor channel 4 Sensor 1 Sensor 2 Sensor 3 BIN 1 BIN 2 Tested by Approved by Note If the relevant scheme includes CBFP function ...

Page 39: ...s reference Sensor does not activate when testing Sensor cable wiring Chapter 4 of this manual Camera or other test equipment flash intensity Chapter 10 of this manual Trip relay s does not operate even if sensor is activated Dipswitch settings Chapter 3 5 of this manual Table 11 1 Troubleshooting guide ...

Page 40: ...910 and arc light L 12 2 AUXILIARY VOLTAGE Us 80 265Vac dc option 18 72Vdc Maximum interruption 100ms Maximum power consumption 5W Standby current 90mA 12 3TRIP RELAYS T1 T2 T3 Number 3 NO Rated voltage 250V ac dc Continuous carry 5A Make and carry for 0 5s 30A Make and carry for 3s 16A Breaking capacity DC when time constant L R 40ms 40W 0 36A at 110 Vdc Contact material AgNi 90 10 12 4 BINARY OU...

Page 41: ...ischarge ESD According to IEC244 22 2 and EN61000 4 2 severity class 4 Air discharge 15kV Contact discharge 8kV Fast transients EFT According to EN61000 4 4 class III and IEC801 4 level 4 Power supply input 4kV 5 50ns other inputs and outputs 4kV 5 50ns Surge According to EN61000 4 5 09 96 level 4 Between wires 2 kV 1 2 50µs Between wire and earth 4 kV 1 2 50µs RF electromagnetic field test Accord...

Page 42: ...ck Bump test acc to IEC 60255 21 2 20g 1000 bumps dir 12 9CASING AND PACKAGE Protection degree front IP 50 Protection degree back IP 20 Dimensions W x H x D mm 45 x 164 x 157mm Weight 0 7kg 1 0 kg with package 12 10 ENVIRONMENTAL CONDITIONS Specified ambient service temp range 35 70 C Transport and storage temp range 40 70 C Relative humidity Up to 97 ...

Page 43: ...Instruction manual AP901S Arc Protection Unit 43 43 A1027A ...

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