ZBW 3-40.5 KV Series Prefabricated Substation Made in China - Suppliers and Manufacturers

Product Description

1.Introduction Of ZBW 3-40.5 KV Series Prefabricated Substation

ZBW 3-40.5 KV Series Prefabricated Substation is a kind of outdoor complete set equipment with high voltage side rated voltage of 40.5kV,low voltage side rated voltage of 0.4~12kV,frequency of 50Hz.It is widely used in the places of city 、village and towns 、factory and oilfield 、wharf etc. It is also suitable on some large construction site for power transmission and distribution. It possess features of strong complete set 、small volume movable、easy installation and operation、low cost 、higher level integrated automation 、safe and reliable operation etc.

2.Parameter (Specification) of ZBW 3-40.5 KV Series Prefabricated Substation

	Item		Unit		Parameters
HV Unit	Switch Type			Combined Electrical Apparatus		Circuit Breaker
	Rated Voltage		kV	40.5		40.5
	Rated Frequency		Hz	50		50
	Rated Main Busbar Current		A	630		1250
	1min Rated power Frequency Withstand Voltage To earth, Between Phases/to open gap		kV	95/118		95/118
	Lightning Impulse Withstand Voltage To earth, Between Phases/to open gap		kV	185/215		185/215
	Rated Short-time Withstand Current		kA/s	20/2		25/4
	Rated Peak Withstand Current		kA	50		63
	Rated Short- circuit Making Current		kA	31.5		63
	Rated Short-circuit Breaking Current		kA	31.5		25
LV Unit	Rated Voltage		V	480
	Rated Main Circuit Current		A	1600～3300
	Rated Limit Short-circuit Breaking Capacity		kA	50
	Rated Operating Short-circuit Breaking Capacity		kA	40
	Rated Short-time Withstand Current		kA/1s	40
Transformer Unit	Rated Capacity		kVA	2500
	Resistance Voltage		%	4； 4.5
	Tapping Range		%	±2X2.5； ±5
	Connected Group			Y,yn0； D,yn11
Enclosure	Degree of Protection	HV Room		IP33
		LV Room		IP33
		Transformer Room		IP23
	Sound Level		dB	≤55

3.Feature of ZBW 3-40.5 KV Series Prefabricated Substation

ZBW 3-40.5 KV Series Prefabricated Substation possess features of strong complete set 、small volume、movable、easy installation and operation、low cost 、higher level integrated automation 、safe and reliable operation etc.

4.Service condition

(1) Normal service condition of ZBW 3-40.5 KV Series Prefabricated Substation
a. Altitude ≤1000m.
b. Ambient temperature : ≤+40℃ ≥-25℃
c. Wind speed ≤35m/s
d. Relative humidity : Daily average value ≤95%
Monthly average value ≤90%
e. No fire、explosive danger and serious dirty、corrosive spot.

2、Special service condition of ZBW 3-40.5 KV Series Prefabricated Substation
The user should negotiate with manufacturers for the detail when the above mentioned service condition can’t meet the requirement of service requirement.