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Features:
1. It is developed and designed on the basis of the combined substation, with compact structure, small floor area, beautiful appearance, low noise, energy saving and environmental protection, safe and reliable operation, convenient maintenance.
2. It adopts advanced technology to improve and optimize functions, equipping with automatic temperature control, automatic emergency drainage, automatic humidity control and remote monitoring system, with reliable performance.
3. In the power distribution system, it can be used for ring network power distribution system, as well as dual power supply or radial terminal power distribution system.
Our advantages
1. It is divided into two parts: aboveground part and underground part. The aboveground part consists of high-voltage switchgear, low-voltage distributor and outer box, and the underground part consists of buried transformer and buried box.
2. The outer box is made of aluminum coated zinc plate, being separated into independent rooms by steel plates, and equipped with lighting devices. The top cover is a double-layer structure, which can prevent heat radiation from increasing indoor temperature, and with good ventilation.
3. The high-voltage unit adopts SF6 insulated ring network switchgear or SF6 load switchgear, with compact structure, small volume, high reliability, long service life and maintenance free.
4. The low-voltage unit adopts GGD distributor, which can be equipped with metering, outgoing line, measurement and automatic capacitor compensation devices as users required.
5. It adopts the buried transformer with low temperature rise and low loss. The high-voltage side of the transformer is connected with a fully sealed and insulated cable plug, and the low-voltage side is connected with a pluggable low-voltage sealed lead device. The oil tank is made of stainless steel with a protection level of IP68, the transformer can operate reliably even if it is fully submerged in water.
6. The buried box has excellent corrosion and compression resistance, and absolute sealing performance. Moreover, the transformer is first installed in the buried box, and then buried underground. So the noise of the transformer will not spread to the surface, preventing noise pollution. And if the transformer leaks oil, the oil will only leak in the buried box, not polluting the environment.
Main Part | Item | Unit | Parameter |
High Voltage Unit | Rated Voltage | KV | 12 |
Rated Frequency | Hz | 50 | |
Rated Current Of Main Bus | A | 630 | |
1mm Power Frequcency Withstand Volage Carth And Inter-Phase / Isolation Clearance | KV | 42 / 48 | |
Lightning Impulse To Earth And Phase To Phase Withstand / Isolation Clearance | KV | 75 / 85 | |
Rated Short-Time Withstand Current | KA/S | 20 / 2 | |
Rated Peak Withstand Current | KA | 50 | |
Rated Short-Time Making Current | KA | 50 | |
Rated Transfer Current | A | 1400 | |
Fuse Drop Out Current | KA | 31.5 / 40 | |
Low Voltage Unit | Rated Voltage | V | 400 |
Main Circuit Rated Current | A | 100 ~ 1200 | |
Rated Limit Short-Circuit Breaking Capacity | KA | 80 | |
Rated Running Short-Circuit Breaking Capacity | KA | 50 (65) | |
Rated Short-Time Withstand Current | KA/S | 50 (65) | |
Branch Current, Compensating Capacity | -- | As Per The Users' Requirements | |
Transformer Unit | Rated Power | KVA | 30 ~ 630 |
Impedance Votage | % | 4 / 4.5 | |
Tapping Range | % | ±2 × 2.5% / ±5% | |
Vector Group | -- | Yyn0 / Dyn11 |
Features:
1. It is developed and designed on the basis of the combined substation, with compact structure, small floor area, beautiful appearance, low noise, energy saving and environmental protection, safe and reliable operation, convenient maintenance.
2. It adopts advanced technology to improve and optimize functions, equipping with automatic temperature control, automatic emergency drainage, automatic humidity control and remote monitoring system, with reliable performance.
3. In the power distribution system, it can be used for ring network power distribution system, as well as dual power supply or radial terminal power distribution system.
Our advantages
1. It is divided into two parts: aboveground part and underground part. The aboveground part consists of high-voltage switchgear, low-voltage distributor and outer box, and the underground part consists of buried transformer and buried box.
2. The outer box is made of aluminum coated zinc plate, being separated into independent rooms by steel plates, and equipped with lighting devices. The top cover is a double-layer structure, which can prevent heat radiation from increasing indoor temperature, and with good ventilation.
3. The high-voltage unit adopts SF6 insulated ring network switchgear or SF6 load switchgear, with compact structure, small volume, high reliability, long service life and maintenance free.
4. The low-voltage unit adopts GGD distributor, which can be equipped with metering, outgoing line, measurement and automatic capacitor compensation devices as users required.
5. It adopts the buried transformer with low temperature rise and low loss. The high-voltage side of the transformer is connected with a fully sealed and insulated cable plug, and the low-voltage side is connected with a pluggable low-voltage sealed lead device. The oil tank is made of stainless steel with a protection level of IP68, the transformer can operate reliably even if it is fully submerged in water.
6. The buried box has excellent corrosion and compression resistance, and absolute sealing performance. Moreover, the transformer is first installed in the buried box, and then buried underground. So the noise of the transformer will not spread to the surface, preventing noise pollution. And if the transformer leaks oil, the oil will only leak in the buried box, not polluting the environment.
Main Part | Item | Unit | Parameter |
High Voltage Unit | Rated Voltage | KV | 12 |
Rated Frequency | Hz | 50 | |
Rated Current Of Main Bus | A | 630 | |
1mm Power Frequcency Withstand Volage Carth And Inter-Phase / Isolation Clearance | KV | 42 / 48 | |
Lightning Impulse To Earth And Phase To Phase Withstand / Isolation Clearance | KV | 75 / 85 | |
Rated Short-Time Withstand Current | KA/S | 20 / 2 | |
Rated Peak Withstand Current | KA | 50 | |
Rated Short-Time Making Current | KA | 50 | |
Rated Transfer Current | A | 1400 | |
Fuse Drop Out Current | KA | 31.5 / 40 | |
Low Voltage Unit | Rated Voltage | V | 400 |
Main Circuit Rated Current | A | 100 ~ 1200 | |
Rated Limit Short-Circuit Breaking Capacity | KA | 80 | |
Rated Running Short-Circuit Breaking Capacity | KA | 50 (65) | |
Rated Short-Time Withstand Current | KA/S | 50 (65) | |
Branch Current, Compensating Capacity | -- | As Per The Users' Requirements | |
Transformer Unit | Rated Power | KVA | 30 ~ 630 |
Impedance Votage | % | 4 / 4.5 | |
Tapping Range | % | ±2 × 2.5% / ±5% | |
Vector Group | -- | Yyn0 / Dyn11 |
