Download - 1S23 ARC Fault Protection
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Arc Fault Protection
relay monitoring systems pty ltd www.rmspl.com.au
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The Arc Fault Protection System
Two Part System
ARC SensorARC Fault
Module
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1S30Arc Sensor
1S30A
Single through hole sensor 3m detection range 5 – 6 m spacing
1S30B
Dual sensor 5 – 6 m spacing
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1S30Arc Sensor
Mounted in each segregated switchgear chamber
Provides detection in the forward direction through 180º
Also detects reflected arc light - so mounting position not critical
Insensitive to day light or general
artificial lighting
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1S30Arc Sensor Installation
SENSOR LOCATIONS
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1S30Arc Sensor Installation
SENSOR LOCATIONS
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1S23Arc Fault Module
Single Sensor
or
2 Sensor Version
Fast ARC Fault detection
Total detection and operate time < 2 ms
Makes an Overcurrent Relay
ARC Fault protection ready
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1S23Arc Fault Module
Mounts on a 35mm DIN rail
ARC Detection Output
ARC Sensor Supervision and
Module Fail Output
Terminations via M4 screw terminals
And 0.75 sqmm flying leads
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1S23Arc Fault Module Connections
(-) Supply
(+) Supply
Sensor Connections
Module Outputs
Blue - ARC FaultWhite - Supervision
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1S23 Application
1S23 is Designed to Interface with an Overcurrent Relay
1S23 Outputs are fed into the Binary inputs of the Overcurrent Relay
An ARC trip may be Current Checked using a fast Overcurrent element in the Overcurrent Relay
The ARC trip may also be implemented without any form of interlocking using the Overcurrent Relay
The Overcurrent Relay is needed to perform the Circuit Breaker Tripping and 1S23 Supervision Alarming
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1S23Schematic Application
NEG
POS
1S23
ARC FAULT
1 (-) B W
2 (+) 3 4
SUPERVISION
Arc Sensor Input
Connection of the 1S23 to the DC
Supply
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1S23Schematic Application
CIRCUIT BREAKER TRIP COIL
NEG
POS
1S23
CIRCUIT BREAKER SHOWN IN THE OPEN POSITION
52a
ARC FAULT
1 (-) B W
2 (+) 3 4
OVERCURRENT RELAY(not all connections shown)
I>
SUPERVISION
Arc Sensor Input
ARCFAULTINPUT
SUPVINPUT
(-) (+) (-) (+)
Overcurrent Relay and connection of
an Overcurrent output to the CB
Trip coil
Standard Overcurrent Protection
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1S23Schematic Application
CIRCUIT BREAKER TRIP COIL
NEG
POS
1S23
SCHEMATIC SHOWING TRIPPING OF CIRCUIT BREAKER VIA ALLOCATED ARC FAULT TRIP OUTPUT OF OVERCURRENT RELAY
CIRCUIT BREAKER SHOWN IN THE OPEN POSITION
52a
ARC FAULT
1 (-) B W
2 (+) 3 4
OVERCURRENT RELAY(not all connections shown)
I>ARC
FAULT TRIP
SUPERVISION
Arc Sensor Input
ARCFAULTINPUT
SUPVINPUT
(-) (+) (-) (+)
Connection of ARC FAULT TRIP output
to the CB Trip circuit
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1S23Schematic Application
CIRCUIT BREAKER TRIP COIL
NEG
POS
1S23
SCHEMATIC SHOWING TRIPPING OF CIRCUIT BREAKER VIA ALLOCATED ARC FAULT TRIP OUTPUT OF OVERCURRENT RELAY
CIRCUIT BREAKER SHOWN IN THE OPEN POSITION
52a
ARC FAULT
1 (-) B W
2 (+) 3 4
OVERCURRENT RELAY(not all connections shown)
I>ARC
FAULT TRIP
SUPERVISION
Arc Sensor Input
}
SENSOR INPUTS
ARCFAULTINPUT
SUPVINPUT
(-) (+) (-) (+)
Connection of ARC Sensor Inputs to
the 1S23
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1S23Schematic Application
CIRCUIT BREAKER TRIP COIL
NEG
POS
1S23
SCHEMATIC SHOWING TRIPPING OF CIRCUIT BREAKER VIA ALLOCATED ARC FAULT TRIP OUTPUT OF OVERCURRENT RELAY
CIRCUIT BREAKER SHOWN IN THE OPEN POSITION
52a
ARC FAULT
1 (-) B W
2 (+) 3 4
OVERCURRENT RELAY(not all connections shown)
I>ARC
FAULT TRIP
SUPERVISION
Arc Sensor Input
}
SENSOR INPUTS
ARCFAULTINPUT
SUPVINPUT
WHITEBLUE
(-) (+) (-) (+)
Connection of ARC FAULT and
SUPERVISION flying leads to
Overcurrent Relay
Must connect to segregated relay
inputs
Switched negatives employed on 1S23
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1S23Schematic Application
CIRCUIT BREAKER TRIP COIL
NEG
POS
1S23
SCHEMATIC SHOWING TRIPPING OF CIRCUIT BREAKER VIA ALLOCATED ARC FAULT TRIP OUTPUT OF OVERCURRENT RELAY
CIRCUIT BREAKER SHOWN IN THE OPEN POSITION
52a
ARC FAULT
1 (-) B W
2 (+) 3 4
OVERCURRENT RELAY(not all connections shown)
I>ARC
FAULT TRIP
SUPERVISION
Arc Sensor Input
}
SENSOR INPUTS
ARCFAULTINPUT
SUPVINPUT
WHITEBLUE
(-) (+) (-) (+)
Positive supply connection to
complete the ARC FAULT and
SUPERVISION circuits
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1S23Schematic Application
CIRCUIT BREAKER TRIP COIL
NEG
POS
1S23
SCHEMATIC SHOWING TRIPPING OF CIRCUIT BREAKER VIA ALLOCATED ARC FAULT TRIP OUTPUT OF OVERCURRENT RELAY
CIRCUIT BREAKER SHOWN IN THE OPEN POSITION
52a
ARC FAULT
1 (-) B W
2 (+) 3 4
OVERCURRENT RELAY(not all connections shown)
I>ARC
FAULT TRIP
SUPERVISION
Arc Sensor Input
}
SENSOR INPUTS
ARCFAULTINPUT
SUPVINPUT
WHITEBLUE
(-) (+) (-) (+)
ARC FAULT INPUT
O/C PICKUP
ARC FAULT TRIP
ARC FAULT TRIP LOGIC :
Overcurrent Check Logic for the ARC
FAULT TRIP
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1S23Module Dimensions
An array of 1S23 modules to cater of multiple sensor
applications
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Module Indications
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Module Indications
POWER UP TEST
Single Sensor Version : Both LEDs flash 3 times
Two Sensor Version : Both LEDs flash 4 times
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Module Indications
Green SolidSYSTEM HEALTHY
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Module Indications
Green LED ExtinguishedPOWER FAILURE or 1S23 SYSTEM FAIL
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Module Indications
Green FlashingSENSOR SUPERVISION
FAIL
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Module Indications
Red Solid (for 2 sec)ARC FAULT PICKUP
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1S23 Application with external current check
1S23
Trip CB
Overcurrent Relay
1S30Arc Sensor
1S30Arc Sensor
ARC Fault Coverage of a Feeder Exit
Sensors installed in the CT chamber
Sensors installed in the Cable Termination
chamber
1S23 and Overcurrent Relay combination provide
CB Tripping
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1S23 Application with external current check
Trip CB
Overcurrent Relay
Trip CB
Overcurrent Relay
Trip CB
Overcurrent Relay
1S30Arc Sensor
1S30Arc Sensor
1S30 Arc Sensor
1S30 Arc Sensor
1S231S23
ARC Fault Coverage of a Bus chamber and Feeder
CB chambersMultiple 1S23 modules and
Overcurrent Relay combination provide CB
TrippingSensors installed in the
Bus chamber
Sensors installed in the CB chamber
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1S23 Application with external current check
1S23
Trip CB
Overcurrent Relay
1S30Arc Sensor
1S30Arc Sensor
Trip CB
Overcurrent Relay
1S23
Trip CB
Overcurrent Relay
1S30Arc Sensor
1S30Arc Sensor
1S30Arc Sensor
1S30Arc Sensor
1S30 Arc Sensor
1S30 Arc Sensor
1S231S23
ARC Fault Coverage of the Bus chambers and Feeder
CB chambers
ARC Fault Coverage for the Feeder Exits
A modular approach allows the ARC Fault Coverage to
be extended
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1S23 Ordering Code
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1S30 Ordering Code
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Budget pricing
1S23 ARC Fault Module
1 sensor inputs$175
2 sensor inputs$200
1S30 ARC Fault Sensors
Single point sensor $70Dual point sensor $95
Made to order : lead time 6 weeks
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THANK YOU