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As a professional manufacturer of electrical equipment, Jinhua Dika Electrical Equipment Co., Ltd. is proud to introduce our 33KV Gas Insulated Metering Unit, a critical component engineered for precise and reliable power monitoring in modern substations. Designed to operate at 33kV system voltage with a transformation ratio of 11kV/110V, this unit represents a significant advancement in metering technology, combining the safety and compactness of gas insulation with high-accuracy measurement capabilities. Our commitment to quality, backed by a comprehensive management system, ensures that this product meets the rigorous demands of power utilities and industrial clients worldwide, supporting efficient energy management and grid stability.
This metering unit is specifically developed for applications where space is at a premium and operational safety is paramount. The gas-insulated design offers superior protection against environmental factors and internal faults, making it a dependable choice for both indoor and outdoor substation installations. With our extensive experience in serving diverse global markets, we understand the need for robust and adaptable solutions. This unit is a testament to our dedication to providing high-performance electrical equipment that enhances monitoring accuracy and system reliability.
Key Features and Technical Advantages:
- Superior Insulation and Safety: Utilizes SF6 gas as the primary insulation medium, which provides excellent dielectric strength, superior arc-quenching properties, and effectively prevents internal flashovers, ensuring long-term operational safety and reliability.
- High Accuracy Measurement: Designed to deliver precise measurement of electrical parameters (voltage, current, power, energy) with a typical accuracy class of 0.2S or 0.5S, crucial for billing, load profiling, and grid performance analysis.
- Compact and Modular Design: The gas-insulated construction allows for a significantly reduced footprint compared to air-insulated units. Its modular design facilitates easier installation, maintenance, and potential future expansion of the metering system.
- Robust Environmental Resistance: Sealed construction protects internal components from moisture, dust, pollution, and corrosive atmospheres, ensuring stable performance in harsh outdoor or industrial environments.
- Advanced Integration Capabilities: The unit can be equipped with modern communication interfaces (optional), allowing for seamless integration into SCADA systems, smart grids, and remote monitoring platforms using protocols like IEC 61850 or Modbus.
- Low Maintenance Requirements: The sealed gas compartment and high-quality components minimize the need for routine maintenance, reducing lifecycle costs and enhancing system uptime.
Technical Specifications:
| Parameter | Specification |
| Rated System Voltage | 33 kV |
| Voltage Transformation Ratio | 11 kV / 110 V |
| Insulation Medium | SF6 Gas |
| Standard Accuracy Class | 0.2S / 0.5S (Typical) |
| Frequency | 50 Hz / 60 Hz |
| Ambient Temperature Range | -25°C to +55°C |
| Ingress Protection (IP) Rating | IP54 or higher (Customizable) |
| Communication Interface | Optional (RS-485, Fiber Optic, IEC 61850) |
The primary benefit for our clients is the acquisition of a future-proof and highly reliable metering solution. By choosing our 33KV GIS Metering Unit, you invest in enhanced grid observability, accurate energy accounting, and improved fault detection capabilities. Its compact design saves valuable substation real estate, while its low maintenance nature translates to reduced operational expenditures over its lifespan. This unit empowers utilities and large industrial consumers to make data-driven decisions for optimizing power usage and ensuring regulatory compliance.
Frequently Asked Questions (FAQ):
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Q: What is the main advantage of a gas-insulated metering unit over a conventional air-insulated one?
A: The primary advantage is its compact size and enhanced safety. SF6 gas provides much higher dielectric strength than air, allowing for a significantly smaller physical footprint. The sealed enclosure also protects against environmental contamination, leading to higher reliability and lower maintenance. -
Q: Is the SF6 gas handling environmentally safe?
A: The unit is designed as a sealed, maintenance-free system for its operational life. We adhere to responsible manufacturing practices. Proper procedures for end-of-life handling and gas recovery are recommended and can be discussed. -
Q: Can this metering unit be integrated with our existing SCADA or energy management system?
A: Yes, integration is a key feature. We offer optional communication modules supporting industry-standard protocols like IEC 61850, Modbus RTU/TCP, or DNP3. Please specify your requirements for a tailored solution. -
Q: What is the typical delivery lead time for this product?
A: Lead times vary based on order quantity and specific configuration. As an established manufacturer with efficient logistics through major ports like Shanghai, Tianjin, Guangzhou, and Ningbo, we strive to provide competitive lead times. Please inquire for a precise schedule. -
Q: Do you provide calibration certificates with the units?
A: Yes, each unit is tested and calibrated before dispatch. A calibration certificate traceable to national standards is provided as part of our standard delivery package. -
Q: What after-sales support and warranty do you offer?
A: We provide comprehensive technical support and a standard warranty period. Our team can assist with installation guidance and troubleshooting. Specific warranty terms are provided with the commercial offer. -
Q: Are custom configurations available, such as different voltage ratios or special accuracy requirements?
A: Absolutely. As a manufacturer, we have the flexibility to customize various parameters, including voltage transformation ratios, accuracy classes, and communication options to meet your specific project needs. -
Q: In which markets have your products been successfully deployed?
A: Our products are exported to a wide range of markets, including North America, South America, Europe, Southeast Asia, Africa, and the Middle East, serving utilities and industrial sectors with diverse grid requirements.
Trust in Jinhua Dika Electrical Equipment is built on a solid foundation. Our company operates under a stringent ISO 9001 quality management system, ensuring consistent product excellence from design to delivery. With an annual export value ranging between US$1 Million and US$1.5 Million and a dedicated team of 11-50 professionals, we have established ourselves as a reliable partner for electrical solutions across the globe, from Eastern Europe and Southeast Asia to North America and Oceania. Our commitment to robust manufacturing standards is your assurance of receiving a metering unit that delivers uncompromising performance, accuracy, and durability for your critical substation applications. Contact us today to discuss how our 33KV Gas Insulated Metering Unit can enhance your power monitoring infrastructure.
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