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Yangzhou Ke Yu Electric Power Co., Ltd.

Address: No. 97, Zhongxin Road, Automobile Industrial Park, Yizheng City, Yangzhou City
Phone: 0514-87520111

E-mali:keyudl09@126.com
Website: www.keyudl.com

ZW32-40.5 outdoor high voltage AC vacuum circuit breaker

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General introduction
The ZW32-40.5 outdoor high-voltage AC vacuum circuit breaker is a latest small outdoor high-voltage AC switchgear which has been independently developed by our company. With nominal voltage of 40.5KV, this series of product is applicable to overhead line, factories, mines and enterprises, power plants, transformer substation and other places using voltage of the same level. This product can meet the protection and operation requirements of the grid system, including open and close as well as connection and disconnection short-circuit current. It is characterized by excellent operating performance, high reliability, long service life, and free maintenance. Equipped with FTU intelligent control terminal, it can communicate with network automation main station via GPRS or optical fiber and accomplish network automation. 

Product implementation standard                                                                               

GB1984
GB/T 11022-2011
IEC 62271-100
GB311.1
DL/T 402
GB/T 3309
High-voltage AC circuit-breaker
High voltage switchgear
Standard public technical requirements
High-voltage AC circuit-breaker
Insulation coordination for high-voltage power transmission and transformation equipment
 




 

Working condition:
◆Environment temperature:-40℃ ~ +70℃
◆Altitude:≤2000m
◆Relative humidity:0~95%
◆Wind speed:≤34m/s
◆Pollution grade:≤Ⅳlevel
◆Ice thickness:≤10mm
◆Seismic intensity:≤ 8
Note: This product is not applicable to places liable for fire, explosion, chemical corrosion, and strenuous vibration.

 

Explanation of product type

 

Technical parameter
Main technical parameter

Item

Unit

Parameter

Nominal voltage

kV

40.5

Rated insulation level

Lightning impulse withstand voltage

kV

185

1minpower frequency withstand voltage

kV

95

Rated frequency

Hz

50

Rated current

A

630/1250/1600

Rated short circuit breaking current

kA

20/25/31.5

Rated short-circuit making current (peak value)

kA

50/63/80

Rated short-time withstand current (4S)

kA

20/25/31.5

Rated operation order

 

O-0.3S-C0-180S-CO

Rated short circuit breaking times

Times

30

Mechanical life

Times

10000

Mechanical characteristic parameter

Function

Unit

Parameter

Open distance

mm

18±1

Over travel

mm

4±1

Average closing speed

m/s

0.6±0.2

Average breaking speed

m/s

1.2±0.2

Closing bounce

ms

≤3

Different periods

ms

≤2

Loop resistance

μΩ

≤60

 

Product structure

 

Technical parameters of control cabinet

Function

Index 

Number of function points and detail 

Current sampling

5A/1A

  4(3-phase current; one-phase zero sequence current) 

voltage sampling

AC220V/AC100V

 4(2-phase voltage or 3-phase voltage; one-phase zero sequence voltage)  

Remote communication input

Blank node 

7 (separate position, energy storage position and other seven opening insertions) 

AC input

AC165~265V

 1(normal setup one route; if needed, 2-route automatic switch can be supplied.)

Cooperation switch

Spring switch 

Energy storage by divide-shut brake DC24V 300W

Cooperation switch

Permanent magnetic switch

  Coil DC220V40A 

Communication protocol

IEC101 balanced type; non-balanced IEC104 DNP3.0  ModBus

 

Performance parameter of control cabinet

Function

Unit

Index

AC current circuit overload capacity

 

2In, continuous working;10In, 10s;20In, 1s

AC voltage circuit overload capacity

 

1.5Un continuous working

Remote resolution

ms

≤2ms

Software anti-jitter time

ms

0~6000ms can be set

Power consumption of device

w

≤15w

Measurement accuracy

%

Voltage, current 0.5 %; with and without power 1.0 %

Back-up source

 

Normal operation of over 8 hours can be kept upon AC power failure

Capacity of control output contact

 

DC24V/16A,AC250V/10A

Insulating property

≥5MΩ

Electromagnetic compatibility

 

IV

Level of protection

IP

IP54

Environment temperature

 

-40℃~+70℃; maximum change rate of temperature; 1.0℃/min

Ambient humidity

 

Relative humidity 10-100 %; maximum absolute humidity 35g/㎥

 

Description of function
Telemetering: capable of testing voltage, current and other AC analog quantities, battery voltage, temperature and other AC analog quantities.
Remote signaling:capable of testing switching status signal, switch energy storage signal, low voltage alarm of battery, and other status information; at the same time, it is capable of double-position telesignal processing and supports prioritized transmission of remote communication deflection;
Remote control: capable of radio frequency wireless remote control switch; it is equipped with local / remote option switch and can connect with the remote control divide-shut switch for master station.
Fault detection: equipped with single phase grounding, three-phase alternate protection, overload, anti-flashy flow, and other pr functions; besides, it can record the value of protection current;
Communication: have serial port and network communication interface, 101, 104 and other power standard communication protocols; the data can be uploaded to the master station via optical fiber / Ethernet, GPRS/CDMA and other means.
Self-diagnosis and self-recovery: capable of self-diagnosis; when the internal software and hardware are found abnormal, such abnormity can be recorded and reported timely. Additionally, the software is capable of self-recovery.

 

Outline size

 

Installation diagram

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