Documents LZX-10 11kV Cast-Resin Current Transformer Compliant with IEC 61869-2 for Metering and Protection for substation appl… May 22, 2026 / May 2, 2026 by tianming IEC 61869-2 Certified 11kV Current Transformer LZX-10 for Metering & Protection Applications Introduction to the LZX-10 Current Transformer The LZX-10 is a medium-voltage cast-resin current transformer (CT) engineered for precise current measurement and reliable protective relaying in 11kV (IEC) / 10kV (domestic) power systems. Designed per IEC 61869-2 and GB/T 20840.2, it serves as a […] Read more »
Documents SZW-6 11kV Cast-Resin Voltage Transformer: IEC 61869-3 Compliant for Outdoor Metering & Protection May 22, 2026 / April 22, 2026 by tianming Introduction The SZW-6 voltage transformer is a critical component in medium-voltage power systems, specifically engineered for reliable and accurate voltage measurement, protection, and metering applications at the 10kV level. As part of the electromagnetic (inductive) voltage transformer family, the SZW-6 provides galvanic isolation between high-voltage primary circuits and low-voltage secondary instrumentation or relay circuits. This […] Read more »
Documents High-Performance 11kV Cast-Resin Current Transformer ZW-10 for Metering & Protection per IEC 61869-2 May 22, 2026 / May 2, 2026 by tianming High-Performance 11kV Cast-Resin Current Transformer ZW-10 for Metering & Protection per IEC 61869-2 Introduction to the ZW-10 Current Transformer The ZW-10 is a high-reliability, cast-resin insulated current transformer (CT) engineered for accurate current measurement and robust protective relay coordination in medium-voltage power systems operating at 11kV (IEC standard) or 10kV (domestic Chinese system). Designed in […] Read more »
Documents CT Ratio & Polarity Testing Guide: Methods, Equipment & Acceptance Criteria (IEC 61869-2, IEEE C57.13) May 22, 2026 by tianming CT Ratio & Polarity Testing Guide: Methods, Equipment & Acceptance Criteria (IEC 61869-2, IEEE C57.13) Meta Description: Comprehensive guide on current transformer (CT) ratio and polarity testing. Covers test methods, equipment, acceptance criteria, and compliance with IEC 61869-2 and IEEE C57.13. Includes step-by-step procedures, troubleshooting, and safety precautions for factory, site, and maintenance testing of […] Read more »
Documents ZJC-10Q 11kV Cast-Resin Current Transformer for Substation Metering and Protection – IEC 61869-2 Certified May 22, 2026 / May 2, 2026 by tianming For Substation Metering & Protection: ZJC-10Q 11kV […] Read more »
Documents LZX-10 11kV Cast-Resin Current Transformer for Substation Metering & Protection – IEC 61869-2 Certified May 22, 2026 / May 2, 2026 by tianming Introduction to the LZX-10 Current Transformer The LZX-10 is a high-reliability, indoor-type cast-resin current transformer (CT) engineered for critical metering and protection functions in 11kV medium-voltage power distribution systems. Designed in strict accordance with IEC 61869-2 and GB/T 20840.2, this device exemplifies modern advancements in solid-insulation instrument transformer technology. Its construction leverages epoxy resin encapsulation […] Read more »
Documents For Substation Metering & Protection: LFS-10 11kV Cast-Resin Current Transformer Certified to IEC 61869-2 May 22, 2026 / May 2, 2026 by tianming 11kV Cast-Resin Current Transformer LFS-10 for Metering […] Read more »
Documents Substation Metering & Protection with JDZW-35 11kV Cast-Resin Current Transformer per IEC 61869-2 May 22, 2026 / May 2, 2026 by tianming Introduction to the JDZW-35 Current Transformer The JDZW-35 is a high-precision, cast-resin insulated current transformer (CT) engineered for critical metering and protection functions in medium-voltage (MV) power systems operating at nominal system voltages up to 11 kV. Unlike legacy oil-immersed or gas-insulated instrument transformers, the JDZW-35 leverages advanced epoxy resin encapsulation technology to deliver superior […] Read more »
Documents Substation Metering & Protection with ZW-10 11kV Cast-Resin Current Transformer per IEC 61869-2 May 22, 2026 / May 2, 2026 by tianming Introduction to the ZW-10 Current Transformer The ZW-10 is a high-reliability, indoor-type cast-resin insulated current transformer (CT) engineered for critical metering and protection functions in 11 kV medium-voltage (MV) power distribution systems. Designed in strict compliance with IEC 61869-2 and GB/T 20840.2, this device exemplifies modern advancements in solid dielectric insulation technology for instrument transformers. […] Read more »
Documents SZV-10K 11kV Cast-Resin Current Transformer Compliant with IEC 61869-2 for Metering and Protection for substation app… May 22, 2026 / May 2, 2026 by tianming IEC 61869-3 Certified 11kV Voltage Transformer SZV-10K for Metering & Protection Applications Introduction to the SZV-10K Voltage Transformer The SZV-10K is a single-phase, indoor/outdoor-rated cast-resin insulated voltage transformer (VT) designed for accurate voltage measurement and reliable protective relay operation in medium-voltage power systems operating at nominal system voltages of 11kV (IEC standard) or 10kV (domestic […] Read more »
Documents High-Performance 11kV Cast-Resin Current Transformer SEL-751 for Metering & Protection per IEC 61869-2 May 22, 2026 / May 2, 2026 by tianming 11kV Cast-Resin Current Transformer UNKNOWN for Meterin […] Read more »
Documents ZJC-10Q 11kV Cast-Resin Current Transformer for Substation Metering and Protection – IEC 61869-2 Certified May 21, 2026 / May 2, 2026 by tianming ZJC-10Q 11kV Cast-Resin Current Transformer for Substation Metering and Protection – IEC 61869-2 Certified Introduction to the ZJC-10Q Current Transformer The ZJC-10Q is a high-reliability, dry-type current transformer (CT) engineered for accurate current measurement and robust protection functions in medium-voltage power systems operating at 11kV (IEC standard) or 10kV (domestic Chinese system). Designed in strict […] Read more »