Documents CT-35K 33kV Cast-Resin Current Transformer for Substation Metering and Protection – IEC 61869-2 Certified April 15, 2026 / May 2, 2026 by tianming CT-35K 33kV Cast-Resin Current Transformer for Substation Metering and Protection – IEC 61869-2 Certified Introduction to the CT-35K Current Transformer The CT-35K is a high-reliability, cast-resin insulated current transformer engineered for operation in 33 kV (IEC-rated) or 35 kV (domestic system) medium-voltage networks. Designed in strict compliance with IEC 61869-2 and GB/T 20840.2, this device […] Read more »
Documents UNKNOWN 11kV Cast-Resin Current Transformer Compliant with IEC 61869-2 for Metering & Protection for substation appli… April 14, 2026 / May 2, 2026 by tianming Introduction to the UNKNOWN Current Transformer The UNKNOWN 11kV cast-resin current transformer (CT) embodies a contemporary engineering solution within the domain of medium-voltage instrument transformers, specifically tailored for applications demanding high reliability in both metering and protective relaying functions. This device leverages advanced epoxy resin casting technology to encapsulate primary and secondary windings within a […] Read more »
Documents ZW-10 11kV Cast-Resin Current Transformer for Metering & Protection – IEC 61869-2 Certified April 14, 2026 / May 2, 2026 by tianming IEC 61869-2 Certified 11kV Current Transformer ZW-10 for Metering & Protection Applications Introduction to the ZW-10 Current Transformer The ZW-10 is a dry-type, cast-resin insulated current transformer (CT) engineered for reliable operation in 11kV (IEC standard) or 10kV (domestic Chinese system) medium-voltage networks. Designed in strict accordance with IEC 61869-2 and GB/T 20840.2, it serves […] Read more »
Documents ZW-10 11kV Cast-Resin Current Transformer for Substation Metering & Protection – IEC 61869-2 Compliant April 12, 2026 / May 2, 2026 by tianming For Substation Metering & Protection: SZW-10R 11kV Cast-Resin Current Transformer per IEC 61869-2 Introduction to the SZW-10R Current Transformer The SZW-10R is a dry-type, cast-resin insulated current transformer engineered for precise current measurement and protective relaying in 11kV (IEC) / 10kV (domestic) medium-voltage power systems. Designed for indoor installation within metal-enclosed switchgear or open-frame substations, […] Read more »
Documents IEC 61869-2 Certified UNKNOWN 11kV Cast-Resin Current Transformer for Precision Metering & Protection April 11, 2026 / May 2, 2026 by tianming Unknown current transformer for 11kV applications. Step-by-step selection guide with calculation examples and configuration recommendations. Read more »
Documents UTF-8 11kV Cast-Resin VT Transformer: IEC 61869-3 Compliant for Metering & Protection for voltage transformer Applicatio April 11, 2026 / May 2, 2026 by tianming Introduction to the UTF-8 Voltage Transformer The UTF-8 is a single-phase, indoor/outdoor-rated cast-resin voltage transformer (VT) designed for accurate voltage measurement and protective relay interfacing in medium-voltage distribution systems operating at 11kV (IEC nominal) or 10kV (domestic system equivalent). Engineered in strict compliance with IEC 61869-3 and GB/T 20840.3, this instrument transformer leverages advanced vacuum […] Read more »
Documents 21kV Cast-Resin Current Transformer UNKNOWN for Metering and Protection – IEC 61869-2 Standard for current transformer A April 11, 2026 / May 2, 2026 by tianming 21kV Cast-Resin Current Transformer UNKNOWN for Metering and Protection – IEC 61869-2 Standard Introduction to the UNKNOWN Current Transformer The UNKNOWN current transformer (CT) is a high-reliability, cast-resin insulated instrument transformer designed for operation in 21kV (IEC) / 20kV (domestic) medium-voltage networks. Engineered in strict compliance with IEC 61869-2 and GB/T 20840.2, this device serves […] Read more »
Documents CT-35K 33kV Cast-Resin Current Transformer for Substation Metering and Protection – IEC 61869-2 Certified April 10, 2026 / May 2, 2026 by tianming CT-35K 33kV Cast-Resin Current Transformer for Substation Metering and Protection – IEC 61869-2 Certified Introduction to the CT-35K Current Transformer The CT-35K is a high-reliability, cast-resin insulated current transformer engineered for accurate metering and dependable protection in medium-voltage electrical systems rated at 33 kV (IEC standard), corresponding to domestic 35 kV distribution networks. Designed in […] Read more »
Documents UTF-8 11kV Cast-Resin CT Transformer: IEC 61869-2 Compliant for Metering & Protection for current transformer Applicatio April 9, 2026 / May 2, 2026 by tianming Introduction to the UTF-8 Current Transformer The UTF-8 is a high-accuracy, cast-resin insulated current transformer (CT) engineered for reliable operation in 11kV (IEC standard) or 10kV (domestic equivalent) medium-voltage networks. Designed in strict accordance with IEC 61869-2 and GB/T 20840.2, this instrument transformer serves critical roles in both metering and protective relaying applications across utility […] Read more »
Documents Current Transformer Testing & Calibration Guide: Routine, Type, and Field Commissioning Tests per IEC 61869 & IEEE C57.13 April 7, 2026 / May 2, 2026 by tianming Current Transformer Testing & Calibration Guide: Routine, Type, and Field Commissioning Tests per IEC 61869 & IEEE C57.13 Meta Description: Comprehensive guide on current transformer testing and calibration procedures. Covers factory type tests, routine tests, field commissioning, excitation curve measurement, ratio verification, and compliance with IEC 61869-2 and IEEE C57.13 standards. 1. Introduction Current transformer […] Read more »
Documents UTF-8 11kV Cast-Resin CT Transformer: IEC 61869-2 Compliant for Metering & Protection for current transformer Applicatio April 7, 2026 / May 2, 2026 by tianming Introduction to the UTF-8 Current Transformer The UTF-8 is a 11kV (IEC-rated) cast-resin current transformer engineered for high-reliability metering and protection applications in medium-voltage power systems. Designed in strict compliance with IEC 61869-2 and GB/T 20840.2, it serves as a critical interface between primary conductors and secondary instrumentation, enabling accurate current measurement while ensuring galvanic […] Read more »
Documents UNKNOWN 11kV Cast-Resin Current Transformer Compliant with IEC 61869-2 for Metering & Protection for substation appli… April 6, 2026 / May 2, 2026 by tianming UNKNOWN 11kV Cast-Resin Voltage Transformer for Substation Metering and Protection – IEC 61869-3 Certified Introduction to the UNKNOWN Voltage Transformer The UNKNOWN 11kV cast-resin voltage transformer (VT) is engineered for high-reliability metering and protective relaying applications in medium-voltage distribution networks. Designed in strict compliance with IEC 61869-3 and GB/T 20840.3, this instrument transformer leverages advanced […] Read more »
