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Dowei Electric Hybrid Gas Insulated Switchgear (HGIS) ZHW4-72.5,ZHW4-126,ZHW-145

Dowei Electric Hybrid Gas Insulated Switchgear (HGIS) ZHW4-72.5,ZHW4-126,ZHW-145

Product catalog summary

Overview: The document provides detailed specifications and descriptions of Hybrid Gas Insulated Switchgear (HGIS) solutions offered by Ningbo Dowei Electric Co., Ltd. These solutions are designed for power transmission and distribution, emphasizing high reliability, compactness, and economic efficiency. The switchgear is compliant with international standards and is suitable for both indoor and outdoor installations.

General Specifications: The HGIS solutions are available in various voltage ratings: 72.5kV, 126kV, 145kV, 170kV, 245kV, and 362kV. Each variant adheres to IEC 62271 and ANSI/IEEE standards, ensuring high performance and safety. The switchgear is designed to withstand seismic activities and high altitudes, up to 5000 meters.

Key Features: The switchgear is delivered fully assembled and tested, ready for rapid installation and energization. It features a modular design for customizable solutions and includes a Plug And Switch System (PASS) for compactness. The structural design complies with ASTM and ANSI standards, ensuring durability and reliability.

Technical Specifications:

Voltage Ratings: Ranges from 72.5kV to 362kV.
Withstand Voltage: Varies by model, with short-duration power-frequency and lightning impulse ratings provided.
Current Ratings: Continuous current ranges from 2000A to 5000A, with short-time withstand current up to 63kA.
Operating Conditions: Suitable for ambient temperatures from -30°C to +40°C.
Circuit-Breaker Ratings: Includes short-circuit breaking and making currents, with mechanical endurance classified as M2 and capacitive switching as C2.

Conclusion: Ningbo Dowei Electric Co., Ltd. offers a comprehensive range of HGIS solutions that are highly reliable, customizable, and compliant with international standards, making them suitable for diverse power transmission and distribution needs.

Catalog excerpts

Dowei Electric Hybrid Gas Insulated Switchgear (HGIS) ZHW4-72.5,ZHW4-126,ZHW-145-1

Power Transmission & Distribution One stop equipments solution Hybrid Gas Insulated Switchgear (HGIS)

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Dowei Electric Hybrid Gas Insulated Switchgear (HGIS) ZHW4-72.5,ZHW4-126,ZHW-145-2

General Description: • IEC 62271, ANSI/IEEE Std C37, NEMA • ISO 9001, KEMA, CESI, CE, TUV, UL, ASTA • Seismic design, ETGI-1.020, IEEE Std 693, NCh2369 • Structural design, ASTM A325, ANSI/AISC 360, AWS D1.1 • High altitude correction per IEC 62271 & IEEE C37, ~ 5000m • High reliability, smart, compact and economic switchgear solutions • Plug And Switch System (PASS) switchgear is a compact hybrid switchgear • Delivered fully assembled and tested, ready for rapid installation and energization • Modular design enables highly customizable solutions in a short manufacturing time Hybrid Gas Insulated...

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Dowei Electric Hybrid Gas Insulated Switchgear (HGIS) ZHW4-72.5,ZHW4-126,ZHW-145-3

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Dowei Electric Hybrid Gas Insulated Switchgear (HGIS) ZHW4-72.5,ZHW4-126,ZHW-145-4

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Dowei Electric Hybrid Gas Insulated Switchgear (HGIS) ZHW4-72.5,ZHW4-126,ZHW-145-5

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Dowei Electric Hybrid Gas Insulated Switchgear (HGIS) ZHW4-72.5,ZHW4-126,ZHW-145-6

Hybrid Gas Insulated Switchgear (HGIS) 245kV General Description: • IEC 62271, ANSI/IEEE Std C37, NEMA • ISO 9001, KEMA, CESI, CE, TUV, UL, ASTA • Seismic design, ETGI-1.020, IEEE Std 693, NCh2369 • Structural design, ASTM A325, ANSI/AISC 360, AWS D1.1 • High altitude correction per IEC 62271 & IEEE C37, ~ 5000m • High reliability, smart, compact and economic switchgear solutions • Plug And Switch System (PASS) switchgear is a compact hybrid switchgear • Delivered fully assembled and tested, ready for rapid installation and energization • Modular design enables highly customizable solutions in...

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Dowei Electric Hybrid Gas Insulated Switchgear (HGIS) ZHW4-72.5,ZHW4-126,ZHW-145-7

Hybrid Gas Insulated Switchgear (HGIS) 362kV General Description: • IEC 62271, ANSI/IEEE Std C37, NEMA • ISO 9001, KEMA, CESI, CE, TUV, UL, ASTA • Seismic design, ETGI-1.020, IEEE Std 693, NCh2369 • Structural design, ASTM A325, ANSI/AISC 360, AWS D1.1 • High altitude correction per IEC 62271 & IEEE C37, ~ 5000m • High reliability, smart, compact and economic switchgear solutions • Plug And Switch System (PASS) switchgear is a compact hybrid switchgear • Delivered fully assembled and tested, ready for rapid installation and energization • Modular design enables highly customizable solutions in...

Open the catalog to page 7

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