35kv Photovoltaic Combined Transformer/Preassembled Substation

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  • 35kv Photovoltaic Combined Transformer/Preassembled Substation

Product Detail

Make use of environmental strips

The altitude is generally not more than 1000m

The ambient temperature range is -25°C~+45°C

Outdoor wind speed shall not exceed 35m/s

Anti-shock: horizontal acceleration 0.3m/s; Vertical acceleration is not more than 0.15m/s2

Fouling rating: dish

Installation location: outdoor

Beyond the above normal use of environmental conditions, the company can be personalized design according to user requirements.

The main technical parameters

Voltage

System voltage: 35KV, 36.75KV, 38.5KV

High voltage side high working voltage: 40.5KV

Rated voltage of low voltage side: 0.27KV, 0.315KV, 0.4KV

Rated frequency: 50Hz

Rated insulation level

High voltage switch power frequency withstand voltage: 95KV Power frequency withstand voltage of transformer: 85KVPeak impact voltage: 200KV

Transformer low voltage side power frequency withstand voltage: 5KVPhase number: three phase

Protection class: IP68 for fuel tank, IP54 for high and low pressure chamber, IP3X for high pressure chamber door after opening

Main component parameters

Conventional transformer technical parameters

Rated
capacity
(kVA)
High voltage combination and tap range Coupling
group
Label
No load
loss kW(9)
Load loss
kW(9)
Short circuit
impedance %
High
voltage(kV)
Tap range(%) Low
voltage(kV)
1000 35 ±2×2.5 0.315
0.27
0.3
0.4
Yd11,d11 As
requested
by client
As
requested
by client
6.5
1100 36.75
1250 38.5

Technical parameters of high pressure oil immersed load switch

Description Parameters
Model number BYFI-40.5(manual operation)
Voltage rating(KV) 40.5
Power frequency withstand voltage(KV) 95
Lightning Impulse voltage(KV) 200
Rated current(A) 630
Rated short-time withstand current and time(KV)/2s 20
Breaking current ability(A) 630
Mechanical life 2000(cycles)

Technical parameters of high pressure oil immersed fuse

 Description Parameters
Model number XRNT-40.5
Fuse current rating(A) 40
Melt current rating(A) 16(500KVA,630KVA)
31.5(1000KVA,1100KVA,1250KVA)
Fuse short circuit breaking current(KA) 31.5
After the fuse has blown,the fuse can be easily replaced on site

Technical parameters of high voltage arrester

Description Parameters
Model number YH5WZ-51/134
Type Silicone rubber jacket gapless metal zinc
oxide arrester
Rated voltage 51
Continuous running voltage 40.8
Rated current(A) ≤73
Dc 1mA reference voltage
Nominal discharge current(KV)(peak) ≥5
Nominal discharge current residual voltage(KV)(peak) ≤134
2ms square Wave Current Tolerance value(A)(peak) 600~800

Technical parameters of low voltage frame circuit breaker

Description Parameters
Rated voltage(V) 400
Rated current(A) 1250、1600、2000、2500、3200
Short-time withstand current and time(kA/1s) 50

Lighting overhaul transformer parameters

Model number Rated
capacity
High pressure combination Join group
label
Phase number Frequency
High
voltage(kV)
Low pressure
(kV)
SG10-□/0.315/0.4 As per
customer's
request
0.315
(0.3、0.27、0.4)
0.4KV Dyn11 Three phase 50Hz

High voltage vacuum isolated load switch, fuse combination electrical equipmenttechnical parameters

Description Parameters
Model number FZRN21C-40.5D(manual and electric operation
Voltage rating(KV) 40.5
Power frequency withstand voltage(KV) 95
Lightning Impulse voltage(KV) 185
Rated current(A) Fuse as rated
Rated short-time open circuit breaker(KA) 20/31.5
Mechanical life 1000(times)

Technical parameters of high pressure air type fuse

Description Parameters
Model number XRNT-40.5
Fuse current rating(A) 40
Melt current rating(A) 16(500KVA,630KVA)
31.5(1000KVA,1100KVA,1250KVA)
Fuse short circuit breaking current(KA) 31.5
After the fuse has blown,the fuse can be easily replaced on site
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