Chinese Type Photovoltaic Electrical Substation
✅Efficient Voltage Step-Up,Reduced Transmission Losses
✅Centralized Monitoring & Smart Operation and Maintenance (O&M)
✅Comprehensive Protection, Ensures Grid Safety
✅Optimized Layout, Saves Land and Costs
✅Unified Grid Connection, Standardized Interface
- Product Introduction
Jinneng electric HYB-40.5 Chinese style Photovoltaic electrical Substation is an integrated outdoor electrical system that collects, steps up, and converts the low-voltage electricity generated by PV arrays (e.g., 800V, 1000V AC, or 1500V DC) to 40.5kV (nominally 35kV) and feeds it into the grid via the Point of Common Coupling (PCC).
It is a prefabricated substation for solar farm and wind or photovoltaic (PV) power generation, with a capacity range of 500–6800 kVA and a voltage level of 35 kV or below,suitable for various onshore, pond-based, and offshore PV and wind power farms.
Products Description
| Component Section | Key Equipment |
|---|---|
| Low-Voltage Side | Low-Voltage Distribution Cabinets |
| Station Service / Earthing Transformer | |
| Step-Up Section | Step-Up Transformer |
| High-Voltage Side | 40.5kV High-Voltage Switchgear |
| Protection & Control | Protection Relays |
| Intelligent Monitoring System | |
| Auxiliary Systems | Reactive Power Compensation |
| DC Power Supply System | |
| Structure & Enclosure | Prefabricated Container/Cabin |
Technical parameters:
|
Item |
Units |
Parameter |
|||||
|
Type |
HYB-12 (Manual/Electric Operation) |
FYB-24 (Manual/Electric Operation) |
BYFI-40.5(Manual/Electric Operation) |
||||
|
Rated voltage |
kV |
12 |
24 |
40.5 |
|||
|
1-minute power frequency withstand voltage |
Phase to phase,earth to ground |
kV |
42 |
70 |
95 |
||
|
Isolation gap |
48 |
80 |
110 |
||||
|
Lightning impulse withstand voltage |
Phase to phase,earth to ground |
kV |
75 |
170 |
200 |
||
|
Isolation gap |
85 |
195 |
215 |
||||
|
Rated current |
A |
315 |
630 |
400 |
315 |
630 |
|
|
Rated short-circuit withstand current/2s |
kA |
12.5 |
20 |
16 |
12.5 |
20 |
|
|
Rated peak withstand current |
kA |
31.5 |
50 |
40 |
31.5 |
50 |
|
|
Closing current |
kA |
31.5 |
20 |
40 |
31.5 |
50 |
|
|
100% load operation frequency |
Times |
30 |
30 |
30 |
|||
|
Mechanical lifespan |
Times |
10000 |
10000 |
10000 |
|||
Above parameters are typical values,pls contact us for customaized requiment.
Usage conditions:
● Ambient air temperature: -10 ℃ ~ +40 ℃
● Altitude: <1000m
● Solar radiation: 1000W/m
● Ice cover: 20mm
● Wind speed: <35 m /s
● Relative humidity: The average daily relative humidity is 95%. The monthly average relative humidity is <90%. The average daily relative vapor pressure is less than 2.2kPa. Monthly mean relative steam pressure <1.8kPa
● Earthquake intensity: < magnitude
● Suitable for the place non-corrosive, no flammable gas
● Note: Products can be customized
Usage application:
● Centralized Large-Scale Ground-Mounted PV Plants: Multiple such prefabricated substations are configured per plant based on capacity, forming generation units.
● Mountainous, Desert, Hilly PV Projects: The prefabricated substation design facilitates deployment in complex terrains.
● Fishery-PV and Agriculture-PV Complementary Projects: Saves land use and minimizes impact on agricultural/fishery activities.
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