11kv Three Phase Metering Potential Transformer Pt

Product Features:

1: Compact Design:

the 11kv three phase metering potential transformer pt is integrated into a single housing. It saves space and fits the compact layout of GIS.

2.High Measurement Accuracy:

Precision engineered core and windings ensure consistent voltage ratios and phase alignment across all three phases, to meet both metering and protection requirements.

3.Excellent Insulation Performance:

the insulation materials of 11kv three phase metering potential transformer provide high voltage withstand capability and resistance to partial discharge, suitable for SF6 gas insulated environments.

4.Easy Installation and Maintenance

Compact and integrated design reduces terminals and support structures, simplifying wiring and facilitating installation and future maintenance.

5.High Reliability and Safety

The 11kv three phase metering potential transformer pt is capable to withstand short term over voltage and external faults, to make the safe operation of downstream instruments and protection devices.

6.Adaptability to Harsh Environments

The 11kv three phase metering potential transformer pt is resistant to temperature variations, humidity, and corrosion, to allow stable operation in indoor, outdoor, and polluted conditions.

Technical Specification:

Product FAQ:

Q: What maintenance practices are recommended for 11kv three phase metering potential transformers?

A: Regular maintenance practices include:

1.Visual Inspections: Check for physical damage, corrosion, or signs of overheating.

2.Cleaning: Remove dust and debris to prevent insulation breakdown.

3.Testing: Perform insulation resistance and ratio tests periodically.

4.Calibration: Ensure accuracy by calibrating against known standards.

5.Proper maintenance ensures longevity and reliable performance of PTs.

Q: What is the primary function of an 11kV three phase metering potential transformer?

A: An 11kV three phase metering potential transformer is designed to step down the primary voltage to a lower, standardized secondary voltage, typically 110V, for accurate measurement and monitoring of electrical parameters in primary voltage systems. The 11kV three phase metering potential transformer pt allows metering instruments and protection relays to operate safely and effectively.

Q: What are the typical accuracy classes available for a 11kv three phase metering potential transformer pt?

A: Accuracy classes commonly include 0.2, 0.5, and 1.0 for metering, and 5P10 or 10P10 for protection, according to IEC 61869. The required accuracy depends on whether the PT is being used for revenue metering or for relay protection functions.