Nanjing Nanrui Jibao PCS9621 Protection Device

NegotiableUpdate on 05/14

Model

Nature of the Manufacturer: Producers

Product Category

Place of Origin

Online Consult

Overview

Nanjing Nanrui Jibao PCS9621 protection device protection configuration: $r $nl three-stage composite voltage blocking overcurrent protection $r $nl high-voltage side positive sequence inverse time limit protection $r $nl two-stage timed negative sequence overcurrent protection $r $nl high-voltage side grounding protection (three-stage timed zero sequence overcurrent protection, zero sequence $r $n protection configuration: $r $nl three-stage composite voltage blocking overcurrent protection $r $nl high-voltage side positive sequence inverse time limit protection $r $nl two-stage timed negative sequence overcurrent protection $r $nl high-voltage side grounding protection (three-stage timed zero sequence overcurrent protection, zero sequence overvoltage protection, supporting network small current grounding) Line selection)

Product Details

Nanjing Nanrui Jibao PCS9621 Protection Device

mechanical structure

mechanical dimensions	See 10.1 section
cutout size	See 10.1 Festival,M6 screw
color	silver gray
Device weight	about 7kg
pollution level	secondary
Protection level	front panel IP40Side of the box IP50 Rear panel IP30 （GB 4208-2008）

5.1 EIA-485interface

Baud rate	4.8kbit/s The9.6kbit/s The19.2kbit/s The38.4kbit/s The57.6kbit/s The115.2kbit/s
communication protocol	DL/T 667-1999（idt IEC 60870-5-103:1997）
maximum load	32

transmission distance	<500m
Wiring form	shielded twisted pair

5.2 Ethernet interface

interface form	RJ-45
transmission rate	100Mbits/s ， adaptive
Transmission standards	10Base-T/100Base-TX
transmission distance	<100m
communication protocol	IEC 60870-5-103:1997 or IEC 61850
Wiring form	Five types of shielded network cables

5.3 Fiber optic interface (station control layer)

feature	Glass fiber optic
terminal	SC ，ST
Fiber optic cable type	multimodal
Typical transmission distance	<2km
Light wave length	1310nm
Minimum transmission power	Min. –20.0dBm
reception sensitivity	Min. –30.0dBm
System reserve	Min +3.0 dB

5.4 Printing interface

Number of ports	1
Baud rate	4.8kbit/s The9.6kbit/s The19.2kbit/s The38.4kbit/s The57.6kbit/s The115.2kbit/s
printer model	Serial port needle printer
interface form	RS-232

5.5 Time synchronization interface

transmission distance	<500m
Maximum load capacity	32
Time synchronization standard	Second pulse,Split pulse, IRIG-B
interface form	RS-485

Nanjing Nanrui Jibao PCS9621 Protection Device

8. protection function

8.1 Differential quick break protection

Differential speed determination value range	4.0Ie~14.0Ie
Current setting error	≤Current constant value×2.5%or 0.02Ie middleThe larger one
Action time of differential quick break protection	≤ 25ms(1.5×Differential speed determination value)

8.2 Ratio differential protection

Range of starting values for differential current	0.05Ie~1.5Ie
Current setting error	≤ Current constant value×2.5%or 0.02Ie Medium to large
Range of ratio differential braking coefficient	0.3~0.75
Range of second harmonic braking coefficient	0.05~0.35
Action time of ratio differential protection	≤35ms(2×Differential current starting value) No harmonic blocking

8.3 overcurrent protection

Current setting range	0.05×In ~ 30×In
Current setting error	≤Current constant value×±2.5%or ±0.01In Medium to large
Delay setting range	0.00s ~ 100.00s
Delay setting error	≤Delay fixed value×1% + 35ms（1.5X current settingValue)

8.4 Overcurrent inverse time limit protection

Starting current（Ip）Fixed value range	0.05×In ~ 4.0×In
Time multiplier setting range	0.05 ~ 100
Starting current setting	1.0×Setting
return coefficient	0.95
Current setting error	< 2.5%or 0.01×In Medium to large
Trip time error（1.2<I/Ip<30）	Max（5%Calculated value) and Max（2.5%Caused by current error The sum of calculation time errors,or 35ms