1000kVA 20kV Prefabricated Substation YBM-20/0.4-1000

Model:YBM-20/0.4-1000 (other capacities 30–2500 kVA available)

Rated Capacity:1000 kVA

Phase:Three-phase

Frequency:50 Hz / 60 Hz

Product Details
FAQs
Packing & Delivery

Product Overview

1000 kVA three-phase prefabricated (box-type) substation, 20 kV / 0.4 kV. HV switchgear, distribution transformer and LV switchgear are fully integrated and factory-tested in one compact, weather-proof steel enclosure. Model YBM-20/0.4-1000, compliant with IEC 62271-202 (prefabricated substations) and IEC 60076 (transformer), designed for industrial factory power distribution and supply units.

Key Features

Fully integrated, factory-tested design — HV switchgear, 1000 kVA transformer and LV switchgear pre-wired in one enclosure for quick on-site installation; mechanical/electrical interlocking and mimic diagram ensure safe, easy operation.
Compact, weather-proof steel enclosure — High-strength steel with anti-corrosion, anti-UV (tropicalized) paint, IP33D/IP54 protection for reliable outdoor service.
Low-loss core & copper windings — Grain-oriented silicon steel core cuts no-load losses (S20 series option); copper windings provide high mechanical strength and short-circuit withstand.
Reliable HV protection — Load-break switch with HV fuses, or optional vacuum circuit breaker, plus earthing switch for safe maintenance.
Complete LV distribution — Main ACB/MCCB, outgoing feeder breakers and metering; reactive power compensation optional.

Typical Applications

Industrial factories and manufacturing plants (factory power supply units)
Commercial buildings, shopping centers and hotels
Urban 20kV distribution networks and remote / temporary power supply
Renewable energy projects (PV / wind step-up stations and auxiliary power)
Mining sites, infrastructure and construction projects

Standards & Certifications

Engineered to IEC 62271-202 (high-voltage/low-voltage prefabricated substation), transformer to IEC 60076, LV switchgear to IEC 61439
ISO 9001 / 14001 / 45001 certified quality & EHS systems
CE marked for EU and international market access

Q1: What is a prefabricated substation (box-type substation)?

A: It is a complete power distribution unit that integrates high-voltage switchgear, a distribution transformer and low-voltage switchgear in one compact, weather-proof steel enclosure. It is factory-assembled and tested, then delivered to site for fast installation, saving space and civil work.

Q2: Which standards does this 1000kVA 20kV substation comply with?

A: The substation complies with IEC 62271-202 (prefabricated substations), the internal transformer with IEC 60076 (Parts 1, 2, 3, 5, 10), and the LV switchgear with IEC 61439. It is also engineered to GB/T 17467 for reference, and CE marked.

Q3: What is inside the 1000kVA 20kV prefabricated substation?

A: HV side: incoming load-break switch or optional vacuum circuit breaker with HV fuses and earthing switch. Transformer: 1000 kVA 20 kV / 0.4 kV oil-immersed (dry-type optional), Dyn11. LV side: main ACB/MCCB, outgoing feeders and metering; capacitor bank optional.

Q4: Can the capacity, voltage ratio or transformer type be customized?

A: Yes. Capacities from 30 kVA to 2500 kVA, HV of 10 / 20 / 35 kV, LV of 0.4 / 0.69 kV, and oil-immersed or dry-type transformer inside can be manufactured according to project requirements.

Q5: Is the substation suitable for outdoor installation in tropical or coastal areas?

A: Yes. The enclosure is made of corrosion-resistant steel with IP33D/IP54 protection and tropicalized, anti-corrosion treatment, suitable for hot, humid and coastal environments. Noise reduction, special painting and foundation details are available on request.

40HQ Standard Container

Ideal for small prefabricated cabins that fit container inner limits. Packing: Steel base, stretch & rain film, internal desiccants, wooden bracing.

40FR Flat Rack (OOG Cargo)

Ideal for most whole prefabricated cabins with oversized dimensions. Packing: Steel base, full tarpaulin cover, multi-chain lashing, anti-tear tarpaulin reinforcement.