YBM-24 type pad mounted transformer

YBM-24 type pad mounted transformer

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++++General:

YBM()series pad mounted transformer is suitable for 7.2kVup to 36kV ring power supply and terminal power supply system as HV distribution calculation and protection equipment. In the substation except transformer there are 4 load switches, two-position load switch, protection fuse and plug-in fuse in the HV side.

We can install control electrical, distribution electrical, compensation electrical and meters. This substation can use indoor or outdoor.

++++Service environment:
   a) Air temperature: Maximum temperature: +40°C; Minimum temperature:-25°C

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

c) Altitude above sea level: Maximum installation altitude: 2500m

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

e) No frequent violent shake

++++Main technical specifications:

Name

Unit

HV equipment

Transformer

LV Equipment

Rated voltage

kV

24

24/0.4

0.4

Rated current

A

630

3/75~150/1875

Less than 4000

Frequency

Hz

50

Rated Capacity

kVA

50-1250

Pfr withstand

kV

42/50/70

2.5

BIL

kV

75/125/170


Crust Protection Grade


IP23

Omni seal

IP33

Noisy Grade

dB

Oil type less than 55

Appearance Dimensions

mm

According to primacy wiring circuit schema

++++Structure characteristics:

    The box structure of this product is divided into two parts. In front is HV and LV operation room. In the HV room including HV terminals, load switch, off-load switchgear, plug-in fuse, pressure relief valve, thermometer, oil level indicator and oil drain valve. In LV room including LV terminals. In the back sector are oil tank and radiator, and transformer winding and iron, load switch and protection fuse are in the oil tank.