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Hangzhou Hangrui Electric Power Automation Co., Ltd
Nanjing Nanrui Jibao PCS9621 microcomputer protection device
NegotiableUpdate on 05/14
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Overview
Nanjing Nanrui Jibao PCS9621 microcomputer protection device $r $nPCS-9621D is a protection and measurement device suitable for station transformers or grounding transformers in non directly grounded systems or small resistance grounded systems with voltage levels below 110kV. It can be installed in groups or on-site in switchgear.
Product Details
Nanjing Nanrui Jibao PCS9621 microcomputer protection device
Protection configuration
l Three stage composite voltage blocking overcurrent protection
l High voltage side positive sequence reverse time limit protection
l Two stage timed negative sequence overcurrent protection
l High voltage side grounding protection (three-stage timed zero sequence overcurrent protection, zero sequence overvoltage protection, supporting network small current grounding line selection)
l Low voltage side grounding protection (low voltage side zero sequence overcurrent protection, zero sequence inverse time protection)
l low voltage protection
l Non electricity protection (non electricity protection: heavy gas trip, light gas alarm, over temperature trip or alarm, one backup non electricity) Trip, one backup non electricity trip or alarm)
l Independent operating circuit and fault recording
l Export configuration function
Operation alarm:
l accident total signal
l CT Wire break alarm
l busbar PT Wire break alarm
l Control circuit disconnection alarm
l TWJabnormal alarm
l Overload alarm
l zero sequenceSection III alarm
l Grounding alarm
l Over-temperature alarm
l Spring energy storage failure alarm
l Frequency abnormality alarm
l Light gas alarm
l Non electric quantity 2 call the police
Measurement and control function:
l 12 Customized remote signaling input for the road
l A set of remote control circuit breakers/combine, synthesize(Up to three additional remote controls can be provided as an optional option)
l IamTheIbmTheIcmTheUA TheUB TheUC TheUAB TheUBC TheUCA TheU0 TheFTheP TheQ TheCOSφWaiting for remote measurement
l event SOERecord keeping, etc
Nanjing Nanrui Jibao PCS9621 microcomputer protection device
2.1 alternating current
phase sequence |
ABC |
|||
rated frequency |
50Hz |
|||
Application scenarios |
protect |
measurement |
||
rated current (In) |
1A |
5A |
1A |
5A |
linear range |
0.05In~30In |
0.05In~30In |
0.05In~2In |
0.05In~2In |
|
Continuous overload capacity 10soverload capacity 1s overload capacity dynamic stable current (Half wave value) |
3In 30In 100In 250In |
3In 30In 100In 250In |
2In 10In 30In 75In |
2In 10In 30In 75In |
Power consumption at rated current (@In) |
< 0.15VA/phase |
< 0.25VA/phase |
< 0.2VA/phase |
< 0.4VA/phase |
2.2 AC voltage
phase sequence |
ABC |
rated frequency |
50Hz |
Rated phase voltage (Alternating,Un) |
100~130V |
linear range |
1~130V |
Continuous overload capacity 10soverload capacity 1s overload capacity |
130V 200V 250V |
Power consumption at rated voltage |
< 0.1VA/phase |
2.3 DC power supply
Adopting standards |
GB/T 8367-1987（idt IEC 60255-11:2008） |
rated voltage |
110Vdc, 220Vdc |
input range |
80%~120%rated voltage |
ripple |
≤Rated voltage 15% |
static power consumption |
<15W(Regular Station)），<20W(Digitization Station) |
Power consumption during action |
<20W(Regular Station)），<25W(Digitization Station) |
Reverse polarity of DC power supply |
The device is working normally |
2.4 AC power supply
rated voltage |
110/220Vac |
input range |
80%~120%rated voltage |
static power consumption |
<15W(Regular Station)），<20W(Digitization Station) |
Power consumption during action |
<20W(Regular Station)），<25W(Digitization Station) |
2.5 Sensor output
Adopting standards |
IEC 60255-1 |
|
output range |
4~20mA |
output range |
load capacity |
<500Ω |
load capacity |
insulation withstand voltage |
2000Vac |
insulation withstand voltage |
Maximum response time |
20ms |
Maximum response time |
output accuracy |
0.5 level |
output accuracy |
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