11kV Current Transformer Guide – Types, التطبيقات & التسعير

Looking for reliable11kV current transformers (الأشعة المقطعية) for your high-voltage power systems? This guide covers everything you need to know—types, تحديد, التطبيقات, and pricing—to help you make an informed purchase decision.


What is an 11kV Current Transformer?


ان11kV current transformer is a precision instrument used tostep down high currents in power systems to measurable levels forحماية, القياس, and monitoring. These CTs are essential inالمحطات الفرعية, النباتات الصناعية, وأنظمة الطاقة المتجددة to ensure safe and efficient power distribution.


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Key Features of 11kV Current Transformers


✔الجهد المقنن: 11,000V (11كيلو فولت)
✔Primary Current Range: 50A – 5000A
✔Secondary Output: 1A or 5A standard
✔Accuracy Class: 0.2, 0.5, 1.0 للقياس; 5ص, 10P for protection
✔Insulation Type: Oil-immersed, resin-cast, or SF6 gas-insulated


Types of 11kV Current Transformers


  1. Wound Primary CTs – Best for low-current applications (5A-100A).

  2. Bar-Type CTs – Used for high currents (200A-5000A), common in switchgear.

  3. Window-Type (Ring) الأشعة المقطعية – Easy to install around existing conductors.

  4. Optical CTs – Advanced, non-conductive sensors for smart grids.


Applications of 11kV Current Transformers


  • Energy Metering & Billing (0.2 class accuracy)

  • Overcurrent & Earth Fault Protection (5P/10P class)

  • Power Quality Monitoring

  • Renewable Energy Systems (Solar/Wind Farms)


11kV Current Transformer Price Range


Prices vary based ontype, accuracy, and brand:

  • Standard Protection CT (5P/10P): $100 – $500

  • High-Accuracy Metering CT (0.2/0.5 فصل): $300 – $1,200

  • Resin-Cast or Gas-Insulated CTs: $500 – $2,500+

Factors affecting cost:

  • Burden capacity

  • تصنيف IP (indoor/outdoor use)

  • ماركة (ABB, Siemens, GE, local manufacturers)


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Where to Buy 11kV Current Transformers?


  • Global Suppliers: Alibaba, Schneider Electric, Toshiba

  • Local Electrical Distributors (better support & warranties)

  • Used/Refurbished CTs (budget option, but inspect carefully)


خاتمة


Choosing the right11kV current transformer depends onapplication, accuracy needs, and budget. Compare specs and prices from trusted suppliers before purchasing.

Need the best 11kV CT deal? Contact top manufacturers today!

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