Professional Switchgear Manufacturer 

for EPC(Engineering Procurement Construction)

Español
English
简体中文
Pусский
Home    Switchgear    KYN61-40.5KV Indoor Metal-clad Medium Voltage Switchgear

KYN61-40.5KV Indoor Metal-clad Medium Voltage Switchgear

Metal-enclosed,
Knkong、ABB or Schneider inside
40.5KV, three-phase, AC 50/60Hz
Can be equipped with VS1-40.5 VCB
Meets IEC standard
Design switchgear plan as SLD (Single Line Drawing)
info@knkong.cn
Get Price
Customer Service Center

Product Introduction

KYN61-40.5 Metal-enclosed switchgear 3P AC 50Hz, rated voltage of 40.5kV suitable for power plant, substation and power distribution to industrial and mining enterprises, railway transportation as the acceptance and distribution of electric energy. And the implementation of control, protection and monitoring function of circuit. The utility model has the advantages of flexible operation, reliable electrical performance, long service life, convenient maintenance.

KNY61-60.5 can be equipped with ABB/Schneider/Knkong series 40.5KV VCB.

 

Service environment:

a) Air temperature: -25~+40

b) Humidity:Monthly average humidity 95%; Daily average humidity 90% .

c) Altitude:≤ 2500m

d) Ambient air not apparently polluted by corrosive and flammable gas, vapor etc.

e) No frequent violent shake

 

 

Technical data

Items

Unit

Data

Rated Voltage

KV

40.5

Rated Frequency

Hz

50

Rated Current

A

1250,1600,2000

Rated Short-circuit Breaking Current

KA

25,31.5

Rated Making Current (Peak)

KA

63,80

4s Thermal Stability Current

KA

25,31.5

Rated Dynamic Current (Peak)

KA

63,80

Rated Insulation Level

1min Power Frequency Withstand Voltage (r.m.s)

KV

95

Lightning Impulse Withstand Voltage (Peak)

KV

185

1min Power Frequency Voltage Across the open gap (r.m.s)

KV

118

Lightning Impulse Withstand Voltage Across the open gap (Peak)

KV

215

Enclosure Protection Class

 

Enclosure IP4X,

Between Compartments IP2X

Enclosure Dimension (Width*Depth*Height)

mm

1400*2800*2600
  1600*2800*2600

Type of Circuit Breaker

 

VCB:ZN85-40.5
  SF6 Circuit Breaker:

*Note: order switchgear should provide SLD(Single Line Drawing) by customer

 

 

Main components charateristics:

VS1-40.5 Indoor Vacuum Circuit Breaker

Rated voltage: 40.5kV

Rated current: 630 1250 1600 2000 2500A

Rated short circuit breaking current: 20 25 31.5KA

Mechanical life: 20,000 times

 

VS1-40.5 Technical data

Item

Unit

Date

Rated voltage

 

KV

40.5

Rated short-time power frequency withstand voltage (1min)

95

Rated lightning impulse withstand voltage (peak)

185

Rated freq

Hz

50/60

Rated current

A

1250 1600 2000 2500 4000

Rated short-circuit drop-out current

KA

25  31.5

Rated short time withstand current

25  31.5

Rated short time continual time

s

4

Rated peak withstand current

KA

63 80

Rated short-circuit closing current

63 80

Rated single/ back-to-back capacitor bank drop-out current

A

630/400

Opening time (rated volt.)

ms

35~60

Closing time (rated volt.)

50~100

Mechanical life

times

20000

Rated break times for rated short drop out current

s

20

Rated operation voltage

V

AC110/220 DC110/220

Rated current of power storing motor

W

230

Average opening speed

m/s

1.6~2.0

Average closing speed

0.5~0.8

Rated operation procedure

 

opening-0.3s-closing

opening-180s-closing opening

 

PDF下载按钮

Fully type-tested

The switchgear has undergone all the tests required by the international (IEC) Standards. Each switchgear unit is subjected to routine tests in the factory before delivery. These tests are intended to provide a functional check of the switchgear based on the specific characteristics of each installation.

 

IEC type tests

Short-time and peak withstand current

Temperature rise

Internal arc capability

Dielectric test

Making and breaking capacity of circuit-breaker

Earthing switch making capacity (top application)

Mechanical operations of circuit-breaker and line disconnector

IP degree and impact test

 

IEC routine factory tests

Visual inspection and check

Mechanical sequence operations

Cabling check

Electrical sequence operations

Power frequency withstand voltage

Measurement of the resistance of the main circuits

Secondary insulation test

Country *

Phone *

E-mail *

Message *

Country *

Phone *

E-mail *

Message *