Prefabricated compact transformer

kiosk compact substation



YBW series prefabricated compact transformer is a kind of set of equipment which assembles the MV switch apparatus, prefabricated compact transformer, LV distribution equipment together according to fixed connection scheme. This series substation is suitable for neighborhood unit, hotel, large-scale work site and high building that the voltage is 11kV /15kV/17.5kV/34.5kV prefabricated compact transformer, the frequency is 50/60Hz and the prefabricated compact transformer capacity is under 2500kVA
Standards: IEC60076,IEC1330,
ANSI/IEEE C57.12.00 ,C57.12.20 ,C57.12.90,BS171,SABS 780




Service condition

a) Both indoor or outdoor
b)Air temperature:
Maximum temperature: +40℃; Minimum temperature:-25℃
c) Humidity:
Monthly average humidity 95%; Daily average humidity 90% .
d) Altitude above sea level:
Maximum installation altitude: 2000m.
e) Ambient air not apparently polluted by corrosive and flammable gas, vapor etc.
f) No frequent violent shake

Name Unit HV side Transformer LV side
Rated voltage kV 6-40.5kV 6-40.5kV 0.4
Rated current A 630 3/75-150/3750 Less than 4000
Frequency Hz 50
Rated Capacity kVA 50-5000
Pfr withstand kV 42/50/70/95 2.5
BIL kV 75/125/170/185  
Crust Protection Grade   IP23 Oil type 55; dry type 65 IP23
Noisy Grade dB      
Appearance Dimensions mm According to primacy wiring circuit schema

*Consult Farady Electric for availability of non-standard kVA sizes.





Structure Characteristics



Two types of box type transformer substation,corridor type and non-corridor type,welded frame by excellent

Anticorrosive steel,hot-galvanizing steel base:

Box-type transformer substation has 3 rooms,HV cabinets,LV,cabinet,transformer cabinet,layout may be customized

two layer roof with air inside to prevent temperature rising efficiently.

natural air cooling,optional forced air cooling,optional automatic anti-congeal equipment.

difference type of load switch and fuse combination to protect the transformer

.terminal power supply,ring supply and double power supply welded body of LV cabinet ,screen type nameplate

Cabinet is secured to the tank.