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Home > Electrical & Electronics > Passive Components > Capacitor > Gas Insulated 33KV Metering Unit With 11KV/110V Voltage Transformers for Central Installation

Gas Insulated 33KV Metering Unit With 11KV/110V Voltage Transformers for Central Installation

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Product Spotlights

A compact, prefabricated 33KV metering unit featuring reliable SF6 gas insulation and integrated 11KV/110V voltage transformers. Designed for central substation installation, it ensures accurate energy measurement, enhances safety by enclosing live parts, reduces maintenance needs, and saves space. Ideal for utilities and industries seeking efficient, long-term metering solutions.

US$ 1000 - 2000 MOQ: 1 Unit

Key Specifications

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Application:

Other, Central Installation in Substations

Insulation Type:

Gas Insulated (SF6)

Rated Voltage:

33KV

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Jinhua Dika Electrical Equipment Co., Ltd.

1Yr

Payment & Shipping

Payment Methods:

Port of Shipment:

China

Delivery Detail:

Delivery time depends on order quantity.

Product Details
Company Profile
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Application Other, Central Installation in Substations

Insulation Type Gas Insulated (SF6)

Rated Voltage 33KV

Voltage Transformer Configuration 11KV/110V

Installation Type Prefabricated, Modular Unit

Primary Function Electrical Energy Measurement & Monitoring

Construction Compact, Sealed Metal Enclosure

Standard Compliance Industry Electrical Standards

Design Feature High Reliability, Low Maintenance

As a specialized manufacturer, Jinhua Dika Electrical Equipment Co., Ltd. delivers robust and precise solutions for power distribution networks. Our Gas Insulated 33KV Metering Unit with 11KV/110V Voltage Transformers is engineered for central installation applications, offering a reliable, compact, and safe method for accurate energy measurement and system monitoring in substations. This unit integrates advanced gas insulation technology with precision instrumentation to ensure operational efficiency and data integrity for utilities and industrial power systems.

The core value of this product lies in its combination of high-voltage safety, space efficiency, and measurement accuracy. Designed as a prefabricated module, it simplifies installation, reduces site work, and enhances the overall reliability of the metering point within a 33KV network. With over a decade of experience and a commitment to quality management systems, our company provides electrical equipment that meets the demanding requirements of global markets, from North America and Europe to Southeast Asia and Africa.

Product Features & Technical Advantages:

Gas Insulated Design (SF6): Utilizes sulfur hexafluoride (SF6) gas as the insulating and arc-quenching medium. This design offers superior dielectric strength compared to air, allowing for a much more compact enclosure. It significantly reduces the risk of internal faults and enhances safety by containing the high-voltage components within a sealed, inert environment.
Integrated 11KV/110V Voltage Transformers: The unit comes equipped with precision voltage transformers (VTs) that step down the system voltage from 11KV to a standardized 110V signal suitable for metering instruments and protective relays. This integration ensures accurate voltage sampling for energy calculation and system monitoring.
Centralized & Modular Construction: Designed as a complete, pre-assembled metering unit for central installation points, often at the entry or key distribution nodes within a substation. Its modular nature allows for easier planning, faster installation, and simplified future expansion or maintenance.
High Reliability & Low Maintenance: The sealed gas-insulated enclosure protects internal components from environmental contaminants like dust, moisture, and salinity. This results in a very low maintenance requirement, high long-term reliability, and stable performance over decades.
Enhanced Safety: The GIS design minimizes the exposure of live parts, reducing risks for personnel during operation and maintenance. The metal enclosure provides robust mechanical protection.
Space Optimization: Compared to traditional air-insulated switchgear with separate metering equipment, this gas-insulated unit occupies significantly less space, which is crucial for compact substation designs or urban installations.

Technical Specifications & Configuration:

Parameter	Specification / Value
Rated System Voltage	33 KV
Insulation Medium	SF6 Gas
Integrated Voltage Transformer Ratio	11 KV / 110 V
Accuracy Class of VTs	Typically 0.5 or 1.0 (customizable)
Enclosure Material	Sturdy Metal (Aluminum or Steel)
Installation Type	Prefabricated Unit for Central Mounting
Primary Application	Substation Energy Metering & Monitoring
Connection Type	Busbar or Cable Connections (options available)
Dimensions & Weight	Compact design; specific details available upon request

Benefits to Our Clients:

Accuracy in Revenue Metering: Provides highly accurate voltage signals for energy meters, crucial for correct billing and revenue protection for utility companies.
System Monitoring & Protection: The 110V output from the VTs is also used for protective relays and SCADA systems, enabling real-time monitoring and enhanced grid protection.
Reduced Installation Time & Cost: As a pre-assembled unit, it reduces on-site labor, wiring, and testing time, leading to lower project costs and quicker commissioning.
Long-Term Operational Savings: Minimal maintenance needs and high reliability translate into lower lifecycle costs and reduced operational interruptions.
Design Flexibility: Its compact size allows engineers to design more efficient substation layouts, saving valuable real estate.
Global Compliance: Manufactured by a company with a multi-faceted quality management foundation, the product is designed to meet international industry standards for electrical equipment.

Trust & Performance Backing:

Jinhua Dika Electrical Equipment Co., Ltd. is not just a supplier but a reliable partner in power infrastructure. With an annual export value ranging between US$1 Million and US$1.5 Million, we serve a diverse global footprint including North America, South America, Europe, Asia, Africa, and Oceania. Our manufacturing processes are underpinned by a comprehensive suite of management system certifications, reflecting our commitment to consistent quality, environmental responsibility, and occupational health and safety. Our products are shipped from major Chinese ports like Shanghai, Tianjin, Guangzhou, and Ningbo, ensuring efficient logistics to your destination. Choosing our Gas Insulated Metering Unit means investing in a product backed by rigorous manufacturing standards, proven market acceptance, and a company dedicated to supporting your power system's accuracy, safety, and efficiency.

Frequently Asked Questions (FAQ):

Q: What is the primary advantage of gas insulation (SF6) over air insulation in this unit?
A: SF6 gas has a much higher dielectric strength than air. This allows the entire high-voltage assembly to be housed in a significantly smaller, sealed enclosure. This leads to a compact design, enhanced safety (live parts are enclosed), and superior protection against environmental factors, resulting in higher reliability and lower maintenance.
Q: Can the voltage transformer (VT) ratio be customized if our system uses a different primary voltage?
A: Yes, customization is possible. While the standard unit features 11KV/110V VTs, we can design and supply units with different primary voltage ratings (e.g., 33KV/110V or others) to match your specific substation configuration. Please discuss your requirements during inquiry.
Q: Is this unit suitable for outdoor installation?
A: The sealed metal enclosure provides excellent protection against weather. However, the specific environmental class (e.g., IP rating) and any additional requirements for extreme climates should be clarified during the design phase. Typically, these units are designed for sheltered substation environments but can be adapted.
Q: How does the "central installation" design benefit the substation layout?
A: A central metering unit consolidates the measurement function for a key point in the substation, often at the incoming feeder or main busbar. This simplifies cabling, standardizes the metering point, and makes the system easier to monitor and maintain compared to having dispersed metering equipment.
Q: What kind of metering instruments or devices connect to the 110V output?
A: The 110V output is a standard signal level for connection to energy meters (for billing), protective relays (for fault detection), and supervisory control and data acquisition (SCADA) systems (for grid monitoring and control).
Q: What is the typical maintenance schedule for this gas-insulated unit?
A: Due to the sealed design, maintenance is minimal. Primary tasks may include periodic checks of gas pressure (for SF6), inspection of external connections, and verification of VT accuracy. The interval depends on operating conditions and can be several years.
Q: Does the unit include current transformers (CTs) for complete metering?
A: The product title specifies Voltage Transformers (VTs). For complete three-phase energy metering, current transformers (CTs) are also required. This unit can be supplied as a standalone VT unit or can be configured to include integrated CTs as part of a complete metering package. This is a customizable option.
Q: Are spare parts and technical support readily available?
A: As a manufacturer, we maintain support for our products. Spare parts for major components and technical documentation are available. Our team can provide remote support and, depending on the project, on-site assistance during installation and commissioning.