ZMJ POWER
Compact Substation
A compact substation integrates transformers, switchgear, and protection devices into a single enclosed unit for power transmission and distribution.
Technical Parameters
| Phrase | Three-phase |
| Rated Capacity | 30-2500 KVA |
| Rated Voltage | UP TO 35 KV |
| Secondary Voltage | 220, 380, 690, 800V |
| Frequency | 50Hz / 60Hz |
| Winding Material | Copper / Aluminum |
| Standard | GB1094.1 (IEC60076) |
| Connection Symbol | Dyn11/Yyn0/YNd11 |
| Housing Protection | High-pressure chamber: IP33 Transformer Room: IP23 Low voltage chamber: P33 |
| Running Environment | Highest temperature: +40℃ Highest monthly average air temperature: +35℃ Highest annual average air temperature: +20℃ Lowest outdoor air temperature: -25℃ Altitude: ≤1000m |
Product Details
Questions and Answers
The internal “eye” shape or “product” shape the substation is divided into three independent Spaces: high voltage room, transformer room and low voltage room, and the lighting of each room is automatically opened with the opening of the door.
The high pressure room is equipped with high pressure ring network switching equipment, can be selected according to user needs, vacuum load switch, and has the “five prevention” function, when the current limiting type of high voltage fuse, there is a phase of the fuse fuse, the load switch automatically opens, to avoid the failure caused by the lack of phase operation.
The high voltage unit is a combination of various schemes of high voltage switchgear, including inlet and outlet line cabinet. feeder cabinet, metering cabinet, ring network cabinet, the use of p load switch ring network unit. for the future development of distribution automation in the hardware is fully prepared. modular design convenient installation of electric operating mechanism and data acquisition unit.
The transformer adopts low loss, low temperature rise, low noise, fully sealed oil-immersed or epoxy resin paint-insulated dry-type transformer. which fully reflects energy conservation and is conducive to environmental protection. and realizes operation to meet the requirements of short-term full load overload.
The low voltage unit is a combination of low voltage switches for various schemes. Including bus metering cabinet, total circuit breaker cabinet, low-voltage compensation cabinet. as a circuit breaker for line distribution and overload short-circuit protection, the selection of high-score power grid professional type, to meet the user’s requirements for switching electric flow thermal stability, the configuration of low-voltage automatic reactive power compensation device and low-voltage metering unit.
The high voltage connection adopts a fully sealed cable plug, to achieve fully insulated zero potential, bare electric parts heating plastic tube, transformer side, low voltage copper bar transition soft connection, etc.
The shell material is composite plate. stainless steel composite plate. aluminum zinc plate. stainless steel plate. metal carving plate.
Compact substations are ideal choices in several circumstances:
- Limited Space: When there’s restricted space available for installing a substation, compact substations offer a space-efficient solution due to their smaller footprint.
- Urban Areas: In densely populated urban settings where space is at a premium, compact substations are suitable for efficient utilization of available space.
- Quick Installation: When a rapid installation is required, these prefabricated substations with integrated components can be set up faster than traditional substations, reducing on-site construction time.
- Flexibility in Environment: They are adaptable to various environments, both indoor and outdoor, offering versatility in their installation locations.
- Localized Distribution: For providing power to specific areas or loads within a larger network, compact substations are efficient in delivering localized power distribution.
- Cost-Effectiveness: Due to reduced installation time, lower maintenance requirements, and efficient use of space, they can be cost-effective compared to larger substations in certain applications.
- Integrated Components: When the integration of transformers, switchgear, and protection devices into a single unit is preferable for streamlined installation and operation.
- Modularity: In scenarios where flexibility in configurations or scalability is required, modular designs of compact substations can cater to specific needs.
- Safety and Reliability: If safety and reliability in power distribution are critical factors, compact substations with advanced protection systems can offer dependable performance.
- Environmental Considerations: In cases where minimizing the environmental impact, such as reducing land usage or material usage, is important, compact substations with their smaller footprint can be a more eco-friendly choice.
In summary, compact substations are suitable for environments or scenarios where space constraints, quick installation, integrated components, flexibility in deployment, cost-effectiveness, and reliable power distribution are essential considerations.
Routine Test
Measurement of winding resistance
Measurement of voltage ratio and check of phase displacement
Measurement of short-circuit impedance and loss
Measurement of no-load loss and current
Dielectric routine tests
Tests on on-load tap-changers, where appropriate
Leak testing with pressure for liquid-immersed transformers(tightness test)
Tightness tests and pressure tests for tanks for gas-filled transformers
Check of the ratio and polarity of built-in current transformers
Type Test
Temperature-rise type test
Dielectric type tests
Determination of sound level for each method of cooling for which a guaranteed sound level is specified
Measurement of the power taken by the fan and liquid pump motors
Measurement of no-load loss and current at 90% and 110% of rated voltage
Oil Immersed Transformer:
650KVA＜ Rated Capacity ≤ 10MVA: 8504220000
Rated Capacity ≤ 650KVA: 8504210000
Dry Type Transformer:
Rated Capacity ＞ 500KVA: 8504349000
16KVA < Rated Capacity ≤ 500KVA: 8504339000
For orders of less than 2 sets, we can usually deliver within 1 month. If the customer is particularly anxious or has special requirements, we can also handle it flexibly. Before signing a sales contract each time, we will agree on a delivery time with the customer based on the actual situation.