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ZGD-H-100
Yawei
>> Product Introduction
The ZGD-H-100 single-phase pad-mounted transformer delivers dependable step-down power conversion for a wide range of distribution applications. Rated at 100kVA, this compact outdoor unit efficiently transforms medium voltage to low voltage, ensuring safe and stable electricity supply for residential communities, commercial complexes, and light industrial facilities. Built with premium insulation materials and comprehensive protective features, the transformer maintains consistent performance across varied climatic conditions, making it a versatile choice for utility networks and private infrastructure developments.
Product Advantage
1.High-Efficiency Performance
Equipped with high-grade cold-rolled silicon steel laminations and a dual-winding configuration, the ZGD-H-100 achieves efficiency levels exceeding 98% with minimal thermal rise (maximum 65°C temperature increase). The advanced core design reduces energy losses by approximately 15% compared to conventional single-phase units, delivering measurable savings on annual electricity costs for end-users.
2.Robust & Safe Construction
Housed in a corrosion-resistant NEMA 3R-rated enclosure with a durable powder-coated finish, this transformer offers robust protection against moisture, dust, and physical impact. The sealed tank design prevents oil leakage and unauthorized tampering, while the mineral oil dielectric system provides excellent insulation and self-extinguishing fire resistance, eliminating the need for additional protective fencing in most installations.
3.Versatile Installation
Engineered for versatility, the ZGD-H-100 supports both indoor and outdoor installations across diverse settings—including underground vaults, equipment pads, commercial buildings, and residential subdivisions. Its space-saving clamshell design accommodates both radial and loop feed configurations, simplifying integration into existing distribution networks.
4.Eco-Friendly & Durable
Filled with high-grade mineral oil, this transformer ensures stable dielectric performance over decades of continuous operation. The heavy-gauge steel tank, combined with advanced corrosion protection, delivers a design life exceeding 20 years even in coastal or high-humidity environments. Additionally, the fully sealed construction minimizes maintenance requirements and prevents fluid loss, supporting sustainable operations.
>> Technical Parameters
| Type | Single phase pad mounted transformer |
| Model | ZGD |
| Installation | Outdoor |
| Altitude | ≤1000m |
| Rated Power | 100KVA or others |
| Cooling Method | ONAN |
| Primary Voltage | 8320 GrdY/4800 or others (customizable) |
| Secondary Voltage | 240/120V or others (customizable) |
| Rated Frequence | 60HZ |
| Insulation oil | Mineral oil |
| Tapping Range | +2×2.5% |
| Temperature rise C | 65 |
| Connection Group | lio |
>> Product Uses
1.Residential Power Supply
Delivers stable 240/120V to housing estates. Compact, tamper-proof design allows sidewalk or garden installation without fencing, fitting urban space constraints.
2.Commercial District Distribution
Widely used in malls, offices, and hotels. NEMA 3R enclosure withstands outdoor exposure while maintaining quiet operation (<55dB) for noise-sensitive areas.
3.Industrial Park Applications
Powers factory machinery and lighting with 65°C temperature rise tolerance. Mineral oil insulation ensures safety near flammable materials; loop-feed design supports uninterrupted operation.
4.Underground Vault Installations
Compact clamshell shape fits confined subterranean spaces. Corrosion-resistant coating and IP65 rating protect against moisture in tunnels or subway stations.
5.Rural Electrification Projects
Ideal for remote villages; optional biodegradable fluid available for eco-sensitive zones. Operates reliably from -30°C to 50°C with minimal maintenance.
>> Product Operate Guide
Generic installation and use instructions for single phase paqd mounted transformer, containing the following sections:
1.Transportation
2.Moving transformers shipped on pallets
3.Storage
4. Installation-pre-secvice inspection
5. Installation-mounting the transformer
6. Installation-non-loadbreak accessories
7. Installation-external connections
8.Operation
9.Maintance-disconnection
10. Maintance-exterior maintenance
11.Maintance-bushing removal and replacement
12.Replacement parts
