| Brand | Vziman |
| Model NO. | 36kV ONAN/KNAN Oil-immersed Grounding Transformer |
| Rated voltage | 36kV |
| Rated frequency | 50/60Hz |
| Series | DKS |
Earthing Transformers
Introducing Vziman Earthing (or Grounding) Transformers, the cornerstone of optimized substation system design. Engineered with precision and reliability in mind, these transformers redefine the standards for efficient grounding solutions. Explore the key features that make UTEC Earthing Transformers the preferred choice for engineers and power system professionals.
Key Product Features
Vziman earthing transformers are available in many grounding configurations, such as - Solidly Grounded: Provides a low-impedance path for fault currents to the ground. - Resistor Grounded: Includes a series resistor to limit fault currents and reduce stress on the power system during a fault. Reactance Grounded: Incorporates a reactor in series with the neutral grounding, balancing fault current limitation and system stability. Zigzag Grounding: Special winding configuration for low-impedance zero-sequence current paths.
Tailored for Different Voltage Systems
Vziman Earthing Transformers are designed to meet the specific requirements of various voltage systems and substations, ensuring optimal performance across diverse applications.
Enhanced System Safety
Provides a low-impedance path for fault currents, minimizing the risk of high voltages during ground faults. Prevents electrical shocks and minimizes equipment damage, enhancing overall system safety.
Fault Current Limitation
Limits fault currents during ground faults, safeguarding equipment from thermal and mechanical stress. Enables proper fault detection and ensures quick isolation for system stability.
Flexible Neutral Grounding Methods
The design accommodates different neutral grounding methods, including solid grounding, resistance grounding, and reactance grounding. Adapts to varying fault current levels, system requirements, and operational considerations.
Robust Construction
Vziman Earthing Transformers are built to withstand harsh environmental conditions, ensuring reliable performance. Simplifies installation and maintenance, providing a durable solution for substation grounding. UTEC Earthing Transformers - Optimal Grounding Solutions Choose UTEC Earthing Transformers for your grounding needs and experience a new reliability, safety, and efficiency level in your substation system design. Our transformers are not just products; they are solutions crafted to elevate the performance of your power systems.
Product Parameters
| Installation Type | Ground / Pad Mounted |
| Standard Compliance | IEC60076 |
| Power Rating | Up to 1,000 KVA |
| No of Phases | 3 phases |
| HV System Voltage | Up to 36 kV |
| LV System Voltage | Up to 1 kV |
| Rated Frequency | 50/60 Hz |
| Insulation Method / Class | Mineral / Ester/ Silicon Oil |
| Insulation Class | Class A standard / Higher class on request |
| Vector Group | ZN connection is usually applied. Z connection provides linear and specified zero sequence impedance. YN+d can also be applied. |
| Cooling Type | ONAN / KNAN |
| Fault current rating | According to customer specs |
| Zero sequence impedance | According to customer specs |
| Fault current duration | 30 second ( standard ) |
| Max. Ambient Temperature | 55 ℃ |
| Max Temperature Rise for Oil | 45℃ |
| Max Temperature Rise for Winding | 50℃ |