Prefabricated Electrical Substation Box 4000A Rated Current For Power
Distribution
Features
Hengfengyou offers qualitative range of PSS (Package Substation) or USS (Unitized Substation) Transformer from 200 KVA to 2000 KVA in 11 KV Class. These Package Substations are largely required for fire hazardous and compact places. A unitized substation is a compact arrangement, which simplifies conventional substation design. Substation housing is divided into three compartments i.e. the HV Compartment, the Transformer Compartment and the LV Compartment.
Advantages
Reduced electrical losses as USS can be installed near load centres.
Total economy in cost.
Higher degree of safety and operational reliability is achieved by HT and LT switchgears and protective relays to avoid overloading.
Reduction in logistic cost as USS is delivered as a single unit.
Low civil / foundation cost.
Parameters
Rated
power
(KVA) | High
Voltage
(KV) | H.VTap
range | Low
Voltage
(kV) | Connection
Symbol | Short-Circuit
Impedance
(%) | No-load
Loss
(W) | On-Load
LoSS
(W) | No-load
Current
(%6) | Insulation
Class |
SC(B)
9 | SC(B)
10 | SC
(B) | SC
(B)
10 |
| 30 | 6
6.3
10
10.5
11 | +5%
OR
+2x2.5% | 0.4 | Yyn0
Dyn11 | 4 | 220 | 190 | 750 | 710 | 2.3 | F |
| 50 | 310 | 270 | 1060 | 1000 | 2.2 |
| 80 | 420 | 370 | 1460 | 1380 | 1.7 |
| 100 | 450 | 400 | 1670 | 1570 | 1.7 |
| 125 | 530 | 470 | 1960 | 1850 | 1.5 |
| 160 | 610 | 540| | 2250 | 2130 | 1.5 |
| 200 | 700 | 620 | 2680 | 2530 | 1.3 |
| 250 | 810 | 720 | 2920 | 2760 | 1.3 |
| 315 | 990 | 880 | 3670 | 3470 | 1.1 |
| 400 | 1100 | 980 | 4220 | 3990 | 1.1 |
| 500 | 1310 | 1160| | 5170| | 4880 | 1.1 |
| 630 | 1510 | 1340 | 6220 | 5880 | 0.9 |
| 630 | 6 | 1460 | 1300| | 6310 | 5960 | 0.9 |
| 800 | 1710 | 1520| | 7360 | 6960 | 0.9 |
| 1000 | 1990 | 1770 | 8610 | 8130 | 0.9 |
| 1250 | 2350 | 2090 | 10260 | 9690 | 0.9 |
| 1600 | 2760 | 2450 | 12400 | 11730 | 0.9 |
| 2000 | 3400 | 3050 | 15300 | 14450 | 0.7 |
| 2500 | 4000 | 3600 | 18180 | 17170 | 0.7 |
Product composition
NITIZED SUB STATION CONFIGURATION COMPONENTS
HV Compartment
Extendible & Non Extensible MV Switchgear – Ring Main Unit (RMU)
Vacuum / SF6 Circuit Breaker, RMU & HV Fuse.
RMU & Load Break Switch.
Protection & Metering Devices.
Current & Potential Transformer for Metering / Protection.
Transformer Compartment
Oil Immersed Transformer /
Dry Type Transformer (VPI)
LV Compartment
LV Distribution Board
LT Control Panel with Incomer ACB & Outgoing MCCB
APFC Panel
LV Switch fuse unit
Instrumentation and Metering
Illumination
Internal Lightning & Door Limit Switches, Tailor made enclosures mounted on the transformer under base to provide single lift complete
installation with theft proof design.
Applications
USS (Unitized Sub Stations) / Package Sub Station are ideally suited for new residential and commercial complexes as it can be placed on Ground, partially or totally below / above ground level. Mainly used by Power Utilities, Multiplexes, Hotels, Hospitals, Shopping Malls, Software Parks, Residential Complex, Airport etc.
Service Centre
The shell of the box is made of aluminum-coated zinc steel plate and container manufacturing
technology, and the design is beautiful. On the premise of ensuring the reliability of power supply,
the shell color of the box-type substation is selected, so that it is easy to be in harmony with the
surrounding environment Especially suitable for urban construction. Such as: Urban residential
areas, stations, ports, airports, parks, green belt and other densely populated areas, it can be
used as a fixed substation, can also be used as a mobile substation, with decorative and
beautifying the environment.
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