2000kVA 33kV Oil-Immersed Grounding Transformer with NGR

Product Introduction

2000kVA 33kV Oil-Immersed Neutral Grounding Earthing Transformer with NGR is engineered to provide a stable and controlled neutral point for medium-voltage power systems. By combining an earthing transformer with an integrated Neutral Grounding Resistor (NGR), it effectively limits earth fault current, improves system protection coordination, and enhances operational safety. The oil-immersed design ensures excellent insulation performance, efficient heat dissipation, and long-term reliability under continuous operation. Optimized magnetic core construction reduces losses, while robust windings withstand short-time fault currents without mechanical degradation. The integrated NGR is precisely matched to system requirements, enabling accurate fault current limitation and minimizing damage to equipment during ground faults.

Product Parameters

Packing and Shipping

Packing and shipping of the oil-immersed neutral grounding transformer are carefully planned to ensure safe delivery and preservation of electrical integrity. Prior to packing, the transformer undergoes a final inspection to confirm that all mechanical assemblies, sealing surfaces, and accessories are correctly installed. External components such as bushings, NGR connections, and terminal boxes are reinforced with protective covers to prevent impact damage during transportation.
Depending on transport distance and customer requirements, the transformer may be shipped oil-filled, nitrogen-filled, or vacuum-sealed. For long-distance or overseas shipment, moisture-proof wrapping and corrosion-resistant coatings are applied to protect the tank and accessories. The Neutral Grounding Resistor and auxiliary equipment may be packed separately in dedicated crates to ensure safe handling and easy installation at site.
The main transformer body is mounted on heavy-duty steel or treated wooden skids designed to evenly distribute weight and maintain stability during lifting. Shock-absorbing materials and internal bracing are used to minimize vibration during road, rail, or sea transport. All wooden packaging materials comply with ISPM 15 international phytosanitary standards.
Clear handling instructions, lifting points, center-of-gravity markings, and safety warnings are applied to each package. Complete shipping documentation—including packing lists, FAT reports, manuals, and certificates—is provided to facilitate customs clearance and site acceptance. This structured approach ensures the transformer arrives ready for installation with minimal preparation.