17.5kV Air Insulated Switchgear

NegotiableUpdate on March 21

Model

Nature of the Manufacturer: Other

Product Category: Metal Switchgear and RMU

Place of Origin: City, Province

Online Consult Contact Information

Overview

The enclosure is made of aluminium-zinc plated steel sheet by CNC machine, high precise dimension, short production cycle, excellent mechanical strength and nice appearance. The busbar compartment, VC

Product Details

17.5kV Air Insulated Metal Clad Withdrawable Switchgear

General

KYN28 indoor metal-clad withdrawable switchgear hereinafter short as switchgear) is a complete power distribution device for3.6-24kv.3-phase AC 50Hz single-bus and single-bus sectionalized system. It is mainly used for power transmission ofmiddle/small generators in power plants: power receiving, transmission for substations in power distribution and power system offactories, mines and enterprises, and starting of large high-voltage motor, etc..so as to control, protect and monitor the system.The switchgear meets IEC298.GB3906-91In addition to be used with domestic VS1 vacuum circuit breaker, it can also be usedwith 3AH5 from Siemens domestic ZN65A.ａnd VB2 from GE, ete it is truly a power distribution device with good performanceIn order to meet the requirement for wall mounting and front-end maintenance, the switchgear is equipped with a special currenttransformer, so that the operator can maintain and inspect it in front of the cubicle.KYN61-40.5( same as unigear Z3.2) air-insulated meta-clad withdrawable switchgear( hereinafter as "switchgear") is a kind ofMV switchgear. It is designed as withdrawable module type panel, and the withdrawable part is fitted with VD4-3 6E, VD4-40.5withdrawable vacuum circuit breaker manufactured by Cooper Nature company. It can also be fied with isolation truck, PTtruck, fuses truck and so on It is aplicable to three phase AC 50/60 Hz power svstem. and mainly used for the transmision anddistribution of electrical power and control, protection, monitoring of the circuit.

Standards and specifications

IEC60694 The common technical requirements ofhigh voltage switchgear and controlgear
IEC62271-200 A.C.metal enclosed switchgear and controlgear at the rated voltage of 1kV~52k VE
CB62271-100 High voltage switchgear and controlgear-Part 100:Hi gh voltage A.C. circuit breaker
GB3906 3.6~ 40.5kV alternating current metal enclosed switchgea r and controlgear
GB1984 High voltage alternating current circuit breaker
GB/T11022 The common technical requirements of high voltage switchgear and controlgear

12kV & 24kV KYN28 Metal Clad Air Insulated Switchgear
No	Item	Unit	Parmeter
1	Rated voltage	kV	7.2kV,12kV,17.5kV,24kV
2	Ratec frequency	Hz	50/60
3	Rated current	A	630,1250,1600,2000,2500,3150,4000
4	Branch busbar rated current	A	630,1250,1600,2000,2500,3150,4000
5	Main busbar rated current	A	630,1250,1600,2000,2500,3150,4000
6	1 min power frequency withstａnd voltage(wet dry)	kV	38/48,50/60/60/65
7	Lightning impulse withstａnd voltage	kV	75,95/125
8	Rated short circuit breaking current(peak)	kA	40/50/63/80/100
9	Short time withstａnd current(4s)	kA	20/25/31.5/40
10	Protection type		IP4X for housing

Vaccum Circuit Breaker

Description	Unit	Value
Rated voltage	kV	17.5
Rated short-time power frequency withstａnd voltage (1min)(1min)		50
Rated lightning impulse withstａnd voltage (peak)		125
Rated freq	Hz	50,60
Rated current	A	630	630	1250	1600	1250	1600	1600	2000
		1250	1250	2000	2500	2000	2500	2500	3150
				3150		3150	4000*	4000*
Rated short-circuit drop-out current	kA	20	25	31.5		40		50
Rated short time withstａnd current		20	25	31.5		40		50
Rated short time continual time	s	4
Rated peak withstａnd current	kA	50	63	80		100		125
Rated short-circuit closing current		50	63	80		100		125
Rated single/ back-to-back capacitor bank drop-out current	A	630/400(40kA is 800/400)
Rated capacitor bank closing inrush current	kA	12.5(frequency no more than 1000Hz)
Opening time (rated volt.)	ms	20~50
Closing time (rated volt.)		35~70
Mechanical life	Times	30,000
Rated break times for rated short drop out current		50
Rated operation voltage	V	AC110/220 DC110/220
Rated current of power storing motor	W	70
Average opening speed	m/s	0.9~1.3
Average closing speed		0.4~0.8
Rated operation procedure		opening-0.3s-closing opening-180s-closing opening