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YBTD Series Substation from China Suppliers: Reliable Solution for Wind Power and Photovoltaic Generation Factory
Service conditions
- Altitude not more than 1000m;
- Ambient temperature: Max temperature 40℃, Min temperature -25℃
- Max daily average temperature not more than 35℃
- Max annual average temperature not more than 25℃
- Max daily temperature difference not more than 25℃
- The intensity of sunshine: Not more than 1000W/m2:
- Wind speed not more than 34m/s;
- Icing scope: Not more than 20mm;
- Pollution level: II class
- Installation site inclination of not more than 3 degrees;
- Anti seismic ability: Horizontal ground acceleration 0.2g;
- The vertical acceleration of the ground for 0.1g;
- Installation location: No fire, explosion, pollution, chemical corrosion and severe vibration of the place.
※When can not meet the normal use condition, we can design and manufacture as requested by customers.
Structure features
Housing structure
- a. Substation skeleton was embalmed channel steel and angle steel manufacturing, and has sufficient mechanical strength and rigidity;
- b. The shell material can be made of cold rolled steel plates, stainless steel plate, composite color plate , aluminum alloy plate or glass fiber reinforced cement;
- c. Substation using steel plate isolation between each room, and have a lighting device;
- d. Substation cover is a double-layer structure, and can effectively prevent the heat radiation;
- e. Transformer room is divided into open and closed two structure. The open structure of the radiator of a transformer in an outdoor.and can effectively utilize natural wind to dissipate heat; Closed type structure of the transformer room has independent chamber.and is provided with an automatic air exhausting device, used to control the temperature of transformer room；
- f. Housing door of substation adopts the low temperature type seal, and in low temperature environment can also achieve good sealing effect;
- g. Surface paint of substation with high temperature paint handling, that can effectively delay the aging caused by ultraviolet ray paint;
- h. The housing has a variety of colors to choose, so that it with the environment is harmonious.
HV Unit
- a. Various types of high-voltage switchgear can be used in the high-voltage compartment, such as XGTD9, HXGN11, XGTD6, (H)XGTD10, etc., with compact structure and convenient combination. Users can choose different switchgear according to own requirements;
- b. The high-voltage switchgear has the advantages of simple structure, convenient installation & operation and strong reliability;
- c. The switchgear has the complete prevention of erroneous operation function, to ensure the safety of maintenance personnel.
Transformer Unit
- a. Transformer using S9-M, S11-M oil immersed transformer or SCB dry type transformer;
- b. The transformer has the advantages of small volume, convenient maintenance;
- c. Transformer room has a good natural ventilation, or through automatic control fan to exhaust air force to reduce the temperature of the room;
- d. The use of flexible connections between the low-voltage side terminal of the transformer and the busbar can effectively protect the low-voltage bushings of the transformer, preventing them from cracking or oil leakage.
LV Unit
- a. GGD, GCS and GCK series produced by our company can be selected for LV switchgear；
- b. Metering, measuring and capacitance automatic compensation devices can be set according to users requirements;
- c. Other schemes can be confirmed by engineer according to user requirements.
Distribution network automation unit
- a. Use automation terminal equipment, which are optimized to take full account of the hard operating environment of wind power transformer and photovoltaic substation.
- b. It features strong adaptability to temperature ambient, dual-fiber ring network communication functionality, high resistance to interference, vibration, humidity, and lightning, and low power consumption.
- c. Illustrations of Wind power transformer and photovoltaic substation automatic monitoring
Technical date
Item |
Unit |
Data |
|||
| HV unit | Switch type | Combined electrical apparatus |
Circuit breaker |
||
| Rated voltage | kV |
40.5 |
40.5 |
||
| Rated frequency | Hz |
50 |
60 |
||
| Rated current | A |
630 |
1250 |
||
| 1min Rated power frequency withstand voltage (for ground and phase/isolation fracture) | kV |
95/118 |
95/118 |
||
| Lightning withstand voltage (for ground and phase /isolation fracture) | kV |
185/215 |
185/215 |
||
| Rated short time withstand current | kA/s |
20/2 |
25/4 |
||
| Rated peak withstand current | kA |
50 |
63 |
||
| Rated short-circuit current | kA |
31.5 |
63 |
||
| Rated short circuit breaking current | kA |
31.5 |
25 |
||
| LV unit | Rated voltage | V |
690/270 |
||
| Main circuit rated current | A |
1600~3300 |
|||
| Rated ultimate short circuit breaking capacity | kA |
50 |
|||
| Rated short-circuit breaking capacity | kA |
40 |
|||
| Rated short-time withstand voltage | kA/s |
40/1 |
|||
| Transformer unit | Rated capacity | kVA |
1000~5500 |
||
| Impedance voltage | % |
6.5 |
|||
| Tapping range | % |
±2X2.5; ±5 |
|||
| Connected group | D, yn11 or Y, d11d11 |
||||
| Main body | Enclosure degree of protection | HV room | IP33 |
||
| LV room | IP33 |
||||
| Transformer room | IP23 |
||||
| Sound level | dB |
≤55 |
|||
Note: The above parameters are for reference. Our company can provide customized services according to customer requirements.
Frequently Asked Questions (FAQ)
What are the standard ambient temperature limits for these service conditions?
The standard operating conditions require a maximum ambient temperature of 40℃ and a minimum temperature of -25℃, with a maximum daily average temperature not exceeding 35℃.
What materials are available for the substation housing shell?
The shell can be customized and manufactured using cold rolled steel plates, stainless steel plates, composite color plates, aluminum alloy plates, or glass fiber reinforced cement.
What types of transformers can be integrated into the Transformer Unit?
The unit is compatible with S9-M, S11-M oil-immersed transformers, or SCB dry-type transformers, depending on your application requirements.
What is the enclosure protection rating (IP code) for the different compartments?
The HV room and LV room feature an IP33 degree of protection, while the transformer room has an IP23 protection rating.
Can the substation be customized for special or non-standard environmental conditions?
Yes. When standard service conditions cannot be met, we can design and manufacture the equipment to meet specific customer requirements.
How does the distribution network automation unit perform in harsh environments?
The automation terminal equipment is optimized for wind power and photovoltaic environments. It features high resistance to interference, vibration, humidity, and lightning, with dual-fiber ring network communication and low power consumption.