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YB 22 Series Pre-fabricated Substation(European Type)

YB series of products are designed for city power network construction. This kind of product is a set of power distribution device, which is assembled with medium voltage switchgear,transformer,low voltage switchgear based on indicated connection. They are used for 3-phase AC system, 50Hz...

YB series of products are designed for city power network construction. This kind of product is a set of power distribution device, which is assembled with medium voltage switchgear,transformer,low voltage switchgear based on indicated connection. They are used for 3-phase AC system, 50Hz frequency, and capacity less than 2500kVA in the residential districts, malls,hotels, construction site,industrial mining enterprise and temporary workplace. Generally, they are suitable for ring network power supply and redial terminal power supply.    

Normal sercice condition

a. Ambient temperature:-25℃ -+40℃

b. The altitude should not be over 1000m and if use special transformer and LV components the altitude can up to 3800m.

c. Installation condition should not be severe shake and impact and the vertical lean angle should not be over 5℃

d. The air humidity should not be over 90%(+25℃)

e. The speed of outdoor wind should not be over 35m/s

Name
Unit
HV equipmentTransformerLV equipment
Rated VoltageKv1124
35
10/0.4
24/0.4
35/0.40.4
Rated CurrentA400,630,1250400,630,1250400,630,12503/75~150/3750
1.44/75~72/3750

50~4000
Rated FrequencyHz50
505050505050
Power Frequency Withstand Voltage(lmin)kVEarthing, Phase to phase 42,Port48Earthing, Phase to phase 60, Port79Earthing, Phase to phase 95, Port11835/28
55/2875/282.5
Lighting Impulse Withstand VoltageKv75
12518575125
185

Crust Protection Grade
IP23IP23
IP33
Oil type≤55, Dry type ≤65
Nosiy GradedB≤50≤50≤50



Appearance DimentionsmmAccording to primary connection scheme


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