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33kV Transformer Station Combined Transformer for PV Plant

Basic Info

Model No.:  ZGS-Z. G-/33

Product Description

Model NO.: ZGS-Z. G-/33 Phase: Three Cooling Method: Oil-immersed Type Transformer Certification: ISO9001-2000, ISO9001, CCC Frequency Characteristics: Power Frequency Brand: TIANAN Installation: Outdoor, PV Plant Transport Package: Nude Origin: China Application: Power Coil: Core-type Transformer Winding Type: Two-winding Transformer Usage: Combined Transformer Shape of Coil: OD Voltage rating: 33kV Trademark: Tianan Electric Specification: 630-6300kVA HS Code: 8504340000 Summarize
ZGS-Z.F-/36 series wind power combined transformer is a special power equipment integrating step-up transformer, HV current limited fuse, Load Switch, LV switch and related auxiliary Equipments. It transforms the 0.69kV voltage produced by wind power motor into 35kV,and output the electricity through 35KV cable circuit, which is the ideal equipment in wind power complete set equipment.

Normal ambient conditions for service
Altitude shall be within 2000m
Ambient temperature range shall be : -40ºC~+40ºC
Outdoor wind speed shall not exceeds 35m/s
Relative humidity: daily average value shall not exceed 95%, monthly average value 90%
Installation site: indoor
Service environment: installed in sites with no fire or explosion danger, serious fifth, chemical corrosion and fierce vibration.
When transcend the above normal ambient conditions for service, users can negotiate with us to solve.

Product technical parameter
Parameter of  35kV oil immersed load switch
Table 1
S/N Name Unit Parameter
1 Rated voltage KV 40.5
2 Rated current A 315 630
3 Rated frequency Hz 50
4 Rated short-circuit withstand current kA/2s 12.5 20
5 Rated peak withstand current kA 31.5 50
6 Mechanical endurance times 2000
7 1 min power withstand voltage (phase-to-phase, phase-to-earth) kV 95
8 Lightning impulse level (phase-to-phase, phase-to-earth) KV 185







Parameter of 11kV fuse
Table 2
Rated voltage Fuse rated current A Fusing element rated current A Rated Max. breaking current kA
40.5 40 20,25,31.5,40,50,63 31.5

Parameter of lightning arrester
Table 3
Rated voltage Continuous operating voltage DC reference voltage (1mA) Nominal discharging current Nominal discharging current residual 2ms square-wave current withstand value

40.8kV ≥73kV 5kA(peak value) ≤134kV (peak value) ≥250A(peak value)

Main technical parameter of transformer
Voltage combination
Rated voltage of HV side: 36kV
Rated voltage of LV side: 0.27kV, 0.3kV, 0.315kV, 0.4kV
HV tapping range+5% or + 2x2.5%
Connecting symbol: Dyn11 or Yyn0
Condensation controller and other auxiliary equipment can be added in the body as per clients' requests.
Insulation class: A class
No. of phases: three
Note: As per different requirement from client, the capacity of transformer can be customized.

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Product Categories : Power Transformer

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