Rated capacity of Transformer : 80-630kVA LV Rated current :400,630,1250A Rated power frequency withstand voltage:42/48KV
YB1 Modern outdoor Transformer Substations 1.HV Rated voltage:7.2/12KV 2.HV Rated current:630/200A 3.Rated capacity:80-630kVA
YB1 Modern outdoor Transformer Substations
1.HV Rated voltage:7.2/12KV
2.HV Rated current:630/200A
3.Rated capacity:80-630kVA
1.Descriptions and applications:
YB1 series Environment-friendly AC Cubicle type 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 preassembled in a cubicle.
As a device for accepting and distributing electricity in distribution system,it's used in urban high-rise buildings,urban and rural constructions,residential quarters,small and medium-sized plants,mines,oil fields,temporary construction electricity utilization and other places.
2.Product Model and Implication:
Model No.: Y B 1 x - x / x / x - x x
Explanation No.: 1 2 3 4 5 6 7 8 9
1,2:prefabricated substation;3:design sequence number;4:structural form:M-"B" type configuration,P-"delta"configuration;5:Low rated voltage of transformer kV;6:High rated voltage of transformer V;7:Rated capacity of transformer kVA;8:design scheme of high voltage main circuit;9:design scheme of low voltage main circuit.
Plane layout and overall dimensions:
YB1 series prefabricated 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.
3.Main Technical specifications:
Items | unit | numeric | ||
High voltage unit (HV) | Rated voltage | kV | 7.2,12 | |
Rated frequency | Hz | 50 | ||
Rated power frequency withstand voltage (1min) | phase-to-ground voltage/phase-voltage | kV | 42 | |
Between fracture voltage | kV | 48 | ||
Rated lightning impulse withstand voltage | phase-to-ground voltage/phase-voltage | kV | 75 | |
Between fracture voltage | kV | 85 | ||
Rated current | Main circuit | A | 630 | |
Fuse circuit | A | 200 | ||
Effective value of rated short-term withstand current (3s) | kA | 16,25,25 | ||
Rated peak withstand current | kA | 40,50,63 | ||
Rated breaking current | A | 200,630 | ||
Low voltage unit (LV) | Rated voltage | V | 400 | |
Rated current | A | 400,630,1250 | ||
Effective value of rated short-term withstand current | kA | 30,50 | ||
Rated peak withstand current | kA | 63,105 | ||
Compensation capacity | kVAr | 0-320 | ||
Transformer unit (T) | Rated capacity | kVA | 80-630 | |
Impedance voltage | % | 4;4.5 | ||
Modern outdoor transfomer substation
