Documents High-Performance ZZW-35 33kV Cast-Resin Current Transformer Compliant with IEC 61869-2 for Substation & Grid Applications June 1, 2026 / April 24, 2026 by tianming ZZW-35 33kV Current Transformer (Cast-Resin) – Application Scenarios | IEC 61869-2 Compliant ZZW-35 33kV Cast-Resin Current Transformer: Application Scenarios in Medium-Voltage Power Systems Introduction The ZZW-35 33kV current transformer (CT) is a cast-resin insulated instrument transformer designed for accurate current measurement and protection in medium-voltage electrical networks operating at the standardized IEC voltage level of […] Read more »
Documents Utility DZC-3 11kV Cast-Resin Voltage Transformer Compliant with IEC 61869-3 for Substation & Grid Applications June 1, 2026 / April 24, 2026 by tianming DZC-3 11kV Cast-Resin Voltage Transformer – IEC 61869-3 Compliant Applications DZC-3 11kV Cast-Resin Voltage Transformer – Application Scenarios Under IEC 61869-3 Introduction The DZC-3 11kV voltage transformer is a cast-resin insulated instrument transformer engineered to meet the stringent requirements of IEC 61869-3:2011, the international standard governing inductive voltage transformers for measurement and protection purposes. Designed […] Read more »
Documents Instrument Transformer Installation & Commissioning Guide: CT & PT Best Practices (IEC 61869-2/3, IEEE C57.13) June 1, 2026 by tianming Instrument Transformer Installation & Commissioning Guide: CT & PT Best Practices (IEC 61869-2/3, IEEE C57.13) Meta Description: Comprehensive guide on instrument transformer (CT & PT) installation and commissioning best practices. Covers site preparation, mechanical installation, electrical connection, testing, and compliance with IEC 61869-2/3 and IEEE C57.13, including step-by-step procedures and troubleshooting for MV/HV power systems. […] Read more »
Documents Power SJW-3 11kV Cast-Resin Voltage Transformer – IEC 61869-3 Certified for Substation & Industrial Use May 31, 2026 / April 24, 2026 by tianming SJW-3 11kV Cast-Resin Voltage Transformer – IEC 61869-3 Compliant Applications SJW-3 11kV Cast-Resin Voltage Transformer – IEC 61869-3 Compliant Applications Introduction The SJW-3 11kV voltage transformer is a cast-resin insulated instrument transformer designed for accurate voltage measurement and protection functions in medium-voltage (MV) power systems operating at the IEC-standardized nominal voltage of 11kV. Developed in […] Read more »
Documents Metering 11kV Voltage Transformer SZF-3, Cast-Resin Type Compliant with IEC 61869-3 for Substation & Grid Use May 31, 2026 / April 24, 2026 by tianming SZF-3 11kV Cast-Resin Voltage Transformer – Application Scenarios per IEC 61869-3 SZF-3 11kV Cast-Resin Voltage Transformer – Application Scenarios per IEC 61869-3 Introduction The SZF-3 11kV cast-resin voltage transformer is engineered to meet the stringent requirements of the International Electrotechnical Commission (IEC) standard IEC 61869-3 for instrument transformers—specifically, inductive voltage transformers used in alternating current […] Read more »
Documents CT/PT Selection for Renewable Energy Integration: Wind, Solar & BESS Applications (IEC 61869-2/3, IEEE C57.13) May 31, 2026 by tianming CT/PT Selection for Renewable Energy Integration: Wind, Solar & BESS Applications (IEC 61869-2/3, IEEE C57.13) Meta Description: Comprehensive guide on current transformer (CT) and potential transformer (PT) selection for renewable energy integration, including wind, solar PV, and battery energy storage systems (BESS). Covers accuracy, harmonics, transient performance, and compliance with IEC 61869-2/3 and IEEE C57.13, […] Read more »
Documents SZV-10K 11kV Cast-Resin Current Transformer for Substation Metering & Protection – IEC 61869-2 Compliant May 31, 2026 / May 2, 2026 by tianming For Substation Metering & Protection: SZV-10K 11kV Cast-Resin Voltage Transformer per IEC 61869-3 Introduction to the SZV-10K Voltage Transformer The SZV-10K is a precision-engineered, cast-resin insulated voltage transformer (VT) designed for reliable operation in 11 kV (IEC nominal) or 10 kV (domestic system) medium-voltage distribution networks. As a critical interface between high-voltage primary circuits and […] Read more »
Documents Protection 11kV Voltage Transformer SZV-10R – Cast-Resin, IEC 61869-3 Certified for Substation & Grid Applications May 30, 2026 / April 24, 2026 by tianming SZV-10R 11kV Cast-Resin Voltage Transformer – IEC 61869-3 Compliant Applications SZV-10R 11kV Cast-Resin Voltage Transformer – Application Scenarios per IEC 61869-3 Introduction The SZV-10R is a cast-resin insulated voltage transformer specifically engineered for operation at the standardized IEC system voltage of 11kV. Designed and manufactured in strict accordance with IEC 61869-3:2011 (“Instrument transformers – Part […] Read more »
Documents Outdoor SZW-10K 11kV Cast-Resin Voltage Transformer – IEC 61869-3 Certified for Substation & Grid Applications May 30, 2026 / April 24, 2026 by tianming SZW-10K 11kV Cast-Resin Voltage Transformer – Application Scenarios per IEC 61869-3 SZW-10K 11kV Cast-Resin Voltage Transformer – Application Scenarios per IEC 61869-3 Introduction The SZW-10K 11kV cast-resin voltage transformer is a precision instrument designed for accurate voltage measurement and protection in medium-voltage power systems operating at the standardized IEC nominal voltage of 11kV. Compliant with […] Read more »
Documents PT for Neutral Grounding & Resonant Grounding Systems: Selection, Ferroresonance & Protection Guide (IEC 61869-3, IEEE C57.13) May 30, 2026 by tianming PT for Neutral Grounding & Resonant Grounding Systems: Selection, Ferroresonance & Protection Guide (IEC 61869-3, IEEE C57.13) Meta Description: Comprehensive guide on potential transformer (PT) selection for neutral grounding and resonant grounding (Petersen coil) systems. Covers PT connection, ferroresonance mitigation, protection, and compliance with IEC 61869-3 and IEEE C57.13, including practical engineering examples for MV […] Read more »
Documents Indoor JDJ-3 11kV Cast-Resin Voltage Transformer Compliant with IEC 61869-3 for Substation & Industrial Use May 29, 2026 / April 24, 2026 by tianming JDJ-3 11kV Cast-Resin Voltage Transformer – Application Scenarios per IEC 61869-3 JDJ-3 11kV Cast-Resin Voltage Transformer: Application Scenarios per IEC 61869-3 Introduction The JDJ-3 11kV voltage transformer is a cast-resin insulated instrument transformer designed in strict compliance with the international standard IEC 61869-3:2011 (Instrument transformers – Part 3: Additional requirements for inductive voltage transformers). This […] Read more »
Documents Cast-Resin SZW-6 11kV Voltage Transformer – IEC 61869-3 Certified for Substation & Industrial Use May 29, 2026 / April 24, 2026 by tianming SZW-6 11kV Cast-Resin Voltage Transformer – IEC 61869-3 Compliant Applications SZW-6 11kV Cast-Resin Voltage Transformer – Application Scenarios per IEC 61869-3 Introduction The SZW-6 11kV cast-resin voltage transformer (VT) is engineered to meet the stringent requirements of the international standard IEC 61869-3, which governs the performance, safety, and accuracy of inductive voltage transformers used in […] Read more »
