ZBW series AC Combined substation
1.Rated voltage:HV6/10KV;LV0.4KV
2.Rated capacity:200~1250KVA/50~400kVA
3.IP2X;IP3X;IP30
ZBW series Outdoor Prefabricated AC Combined transformer substation
1.Rated voltage:HV6/10KV;LV0.4KV
2.Rated capacity:200~1250KVA/50~400kVA
3.IP2X;IP3X;IP30
1.Descriptions and applications:
ZBW series AC Combined substation is a compact complete power distribution equipment comprised of the high voltage distribution equipment,transformer,low voltage electric equipment and energy metering device and other distribution facilities which are pre-assembled in a cubicle,mainly used as power and lighting supply in the power system with 6-12/0.4KV,50Hz.
2.Product Model and Implication:
Mode Number.: Z B W x - x - x / x
Explanation No.: 1 2 3 4 5 6 7
1combined type;2transformer substation;3outdoor equipment;4design sequence number;5Scheme number(decide the Connection Type of Main circuit:x/xmeans High pressure scheme/low pressure scheme);6Rated capacity of transformer kVA;7High voltage level kV.
Plane layout and overall dimensions:
ZBW series combined transformer substation can be divided into 2 type by arrangement,which are "B" type configuration and "delta" configuration,other type can also be provided according to the demand.
Sketch map of overall appearance:
Type | A | a | B | b | H | The best places of application | ||
3-phase | "B" type configuration | 100-630KVA | 4140 | 3750 | 2590 | 2290 | 2320 | Mining area,oilfields |
800-1250kVA | 5184 | 4880 | 2500 | 2290 | 2626 | Construction | ||
"delta" configuration | 50-400kVA | 2500 | 2300 | 2400 | 2200 | 2320 | Residential communities | |
Single phase | "B" type configuration | 50kVA | 2500 | 2300 | 1260 | 1060 | 2215 | Power supply of road lamps |
80-100kVA | 2500 | 2300 | 1840 | 1640 | 2215 | |||
Note:dimension of diagram are for reference.(Unit:mm)
3.Main Technical specifications:
Items | Uint | High Voltage Apparatus | Transformer | Low-voltage apparatus |
Rated voltage | kV | 6;10 | 6/0.4;10/0.4 | 0.4 |
Rated capacity | kVA |
| A type:200~1250 |
|
B type:50~400 |
| |||
Rated current | A | 630 |
| 100~2000 |
Rated breaking current | kA | 20.4 |
| 15~63 |
kA | 31.5 |
| ||
Rated short-term withstand current | kA | 20×2 | 200-400kVA | 15×1 |
kA | 12.5×4 | >400kVA | 30×1 | |
Rated peak withstand current | kA | 31.5; 40 | 20~400kVA | 30 |
>400kVA | 63 | |||
Rated close current | kA | 31.5; 40 |
|
|
Power frequency withstand voltage (1min) | kV | phase-voltage/phase-to-ground voltage:42 | Oil immersed type:35 (5min) | ≤300V;25kV |
Isolation clearance: 48 | Dry-type:28 (5min) | >300V;2.5kV | ||
Lightning shock withstand voltage | kV (peak) | phase-voltage/phase-to-ground voltage: 75 | 75 |
|
Isolation clearance: 85 | 75 |
| ||
Cabinet protection class |
| IP3X | IP2X | IP30 |
Noise level | dB |
| Oil immersed typ: <65 |
|
Dry-type: <65 | ||||
Remark | No requirement for rated short-term tolerance current and rated peak tolerance current when the transformer capacity is less than 200kVA. | |||
