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As a specialized manufacturer of high-voltage electrical equipment, Jinhua Dika Electrical Equipment Co., Ltd. is proud to present our 33KV Gas Insulated Metering Unit. This unit is engineered for precise and reliable energy measurement in demanding 33kV power distribution networks. We combine robust construction with advanced metering technology to deliver a solution that ensures accuracy, safety, and longevity for utility companies and large industrial facilities. Our commitment is reflected in the comprehensive standard warranty and dedicated technical support that accompanies every unit, providing our clients with confidence and peace of mind.
The core of this metering unit is its gas-insulated design, which offers significant advantages over traditional air-insulated equipment. By utilizing SF6 gas as the insulating medium, the unit achieves a compact footprint, enhanced safety, and superior performance in various environmental conditions. The primary function is to accurately step down the high system voltage (33kV) to standardized secondary voltages (11kV and 110V) suitable for metering, protection, and control devices.
Key Product Features and Technical Advantages:
- Superior Insulation and Safety: The sealed SF6 gas chamber provides excellent dielectric strength, preventing internal flashovers and significantly reducing the risk of fire. This design also minimizes the impact of pollution, humidity, and altitude on performance.
- Space-Saving Design: Gas insulation allows for a much more compact construction compared to air-insulated units. This is a critical benefit for substations where space is at a premium, enabling more efficient layout and potentially reducing overall installation costs.
- High Measurement Accuracy: The unit is designed to maintain precise voltage transformation ratios (33kV/11kV and 33kV/110V) across its operating range, ensuring that energy consumption data is accurate for billing and load management purposes.
- Low Maintenance Requirements: The fully sealed construction protects internal components from dust, moisture, and corrosion. This leads to a long service life with minimal routine maintenance, lowering the total cost of ownership.
- Robust Construction: Built with high-quality materials and components, the unit is designed to withstand the electrical and mechanical stresses of continuous operation in high-voltage environments.
- Flexible Integration: The standardized secondary outputs (11kV/110V) are compatible with a wide range of commercial energy meters, protective relays, and SCADA systems, facilitating easy integration into existing or new substation automation networks.
Technical Specifications Overview:
| Parameter | Specification |
| Rated Primary Voltage | 33 kV |
| Secondary Output Voltages | 11 kV and 110 V |
| Insulation Medium | SF6 Gas |
| Rated Frequency | 50 Hz / 60 Hz (customizable) |
| Accuracy Class | Typically 0.5 or 0.2 (available upon request) |
| Installation | Indoor or Outdoor Substation |
| Ambient Temperature Range | -25°C to +40°C (operational) |
Benefits for Your Operation:
- Enhanced Grid Reliability: Accurate metering is fundamental for load monitoring, fault analysis, and revenue protection, contributing to a more stable and efficient power grid.
- Reduced Operational Risk: The gas-insulated, sealed design greatly enhances personnel safety by containing high-voltage components and reducing external arc risks.
- Long-Term Cost Efficiency: The combination of low maintenance, high durability, and accurate billing translates into significant cost savings over the asset's lifecycle.
- Future-Proof Investment: The unit's compatibility with standard systems ensures it remains a valuable part of your infrastructure as technology evolves.
Jinhua Dika Electrical Equipment Co., Ltd. is a manufacturer with a proven track record, serving a diverse global market that includes North America, Southeast Asia, Europe, and Africa. Our annual export value reflects our capability and reliability as a supplier. We operate with a commitment to systematic management, which supports our ability to deliver consistent product quality. Every 33KV Gas Insulated Metering Unit is backed by our standard warranty and supported by our technical team, ensuring you receive not just a product, but a dependable partnership for your critical infrastructure needs. Contact us today to discuss how this unit can be integrated into your specific application.
Frequently Asked Questions (FAQ):
-
What is the primary advantage of a gas-insulated metering unit over an air-insulated one?
Gas-insulated units, using SF6, offer a much higher dielectric strength in a compact space. This results in a smaller footprint, better performance in polluted or humid environments, and enhanced safety due to the sealed enclosure. -
What does the '11KV/110V' output specification mean?
This indicates the unit provides two separate, standardized secondary voltage outputs. The 11kV output may be used for certain protection or metering functions, while the 110V output is a common standard for connecting to revenue energy meters and other control devices. -
Is technical support included after purchase?
Yes. We provide dedicated technical support. This can include assistance with installation guidance, operational queries, and general troubleshooting to ensure optimal performance. -
What is the typical delivery lead time for this product?
Lead times can vary based on order specifications and production schedule. We recommend contacting our sales team with your project requirements for a precise delivery estimate. -
Can this unit be customized for different accuracy classes or specific standards?
Yes, customization is possible. Parameters like accuracy class (e.g., 0.5, 0.2) and compliance with specific regional standards can be discussed and configured according to your project's requirements. -
How is the SF6 gas handled for maintenance or end-of-life?
The unit is designed as a sealed, maintenance-free system for its core electrical life. Any required handling of SF6 gas at the end of its service life should be performed by qualified personnel following local environmental regulations for gas recovery and disposal. -
What are the main installation requirements?
The unit requires a stable foundation and proper cable terminations. It is designed for both indoor and outdoor substation environments. Detailed installation manuals and drawings are provided with the product. -
Does the warranty cover both parts and labor?
Our standard warranty covers defects in materials and workmanship under normal use. Specific terms and conditions, including what is covered, are detailed in the warranty documentation provided with the product.
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