3kV-12kV Outdoor CTs LZZW6-15A(B) Pole-Mounted Fully Enclosed Outdoor Current Transformer May 21, 2026 / July 20, 2026 by tianming LZZW6-15A(B) 15kV pole-mounted fully enclosed cast-insulation outdoor current transformer for 13.8 kV and 15 kV distribution systems. Designed for current measurement, energy metering and relay protection with 17.5/55/105 kV insulation level, 5 A or 1 A secondary output, outdoor cast-resin insulation and A/B terminal structure options. Read more »
3kV-12kV Outdoor CTs LZZW6-10, LZZW-10/12 Pillar Type Outdoor Cast Insulation Current Transformer May 21, 2026 / July 20, 2026 by tianming LZZW6-10 / LZZW-10/12 pillar-type outdoor cast-insulation current transformer for 10 kV, 11 kV and 12 kV systems. Fully enclosed epoxy resin CT for energy metering, current measurement and relay protection, with 12/42/75 kV insulation level, 5 A or 1 A secondary output, anti-pollution class II reference and IEC 60044-1 / GB1208-2006 standard compliance. Read more »
Documents JDZW-10R 11kV Cast-Resin VT: IEC 61869 Outdoor/Indoor Metering & Protection Transformer May 21, 2026 / April 22, 2026 by tianming Introduction The JDZW-10R voltage transformer is a critical component in medium-voltage power systems, specifically engineered for accurate voltage measurement, protection, and metering applications at the 10 kV level. As a resin-insulated, outdoor-type instrument transformer, it offers high reliability, excellent dielectric strength, and resistance to environmental stressors such as moisture, dust, and temperature fluctuations. Designed in […] Read more »
3kV-12kV Outdoor CTs LBZW-10 Outdoor Epoxy Cast-Resin Current Transformer May 21, 2026 / July 20, 2026 by tianming LBZW-10 outdoor epoxy cast-resin current transformer for 11kV and 12kV distribution systems. Designed for outdoor current measurement, energy metering and relay protection, with oil-free dry-type resin insulation, 12/42/75kV insulation level, 5A or 1A secondary output, 0.2/0.2S/0.5 metering classes and 10P protection options. Read more »
Documents ZJC-10Q 11kV Cast-Resin Current Transformer for Substation Applications – IEC 61869-2 Certified for high-precision me… 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 medium-voltage cast-resin current transformer (CT) engineered for reliable operation in 11kV (IEC-rated) or 10kV (domestic system) networks. Designed in strict compliance with IEC 61869-2 and GB/T 20840.2, this instrument transformer serves […] Read more »
Documents PT for Frequency Measurement & Under/Overfrequency Protection: Accuracy, Transient Response & Relay Coordination Guide (IEC 61869-3, IEEE C57.13) May 21, 2026 by tianming PT for Frequency Measurement & Under/Overfrequency Protection: Accuracy, Transient Response & Relay Coordination Guide (IEC 61869-3, IEEE C57.13) Meta Description: Comprehensive guide on voltage transformer (PT) requirements for frequency measurement and under/overfrequency protection. Covers accuracy, transient response, relay coordination, and compliance with IEC 61869-3 and IEEE C57.13. Includes selection methodology, testing procedures, and troubleshooting for […] Read more »
Documents JLS-35K 33kV Cast-Resin Current Transformer for Substation Metering & Protection – IEC 61869-2 Compliant May 21, 2026 / May 2, 2026 by tianming 33kV Cast-Resin Voltage Transformer JLS-35K for Metering and Protection – IEC 61869-3 Standard Introduction to the JLS-35K Voltage Transformer The JLS-35K is a precision-engineered, cast-resin insulated voltage transformer (VT) designed for reliable operation in 33kV (IEC standard) or 35kV (domestic Chinese system) medium-voltage networks. As a critical interface between high-voltage primary circuits and low-voltage secondary […] Read more »
Documents ZW-10 11kV Cast-Resin Current Transformer for Substation Metering & Protection – IEC 61869-2 Certified May 21, 2026 / May 2, 2026 by tianming IEC 61869-3 Certified 11kV Voltage Transformer JDZW-10R for Metering & Protection Applications Introduction to the JDZW-10R Voltage Transformer The JDZW-10R 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 11kV (IEC standard) or 10kV (domestic Chinese system nominal […] Read more »
Documents SEL-751 11kV Cast-Resin Current Transformer for Substation Metering and Protection – IEC 61869-2 Certified May 21, 2026 / May 2, 2026 by tianming For Substation Metering & Protection: UNKNOWN 11kV […] Read more »
Documents LZX-10 11kV Cast-Resin Current Transformer for Substation Metering and Protection – IEC 61869-2 Certified May 21, 2026 / May 2, 2026 by tianming 11kV Cast-Resin Current Transformer LZX-10 for Metering […] Read more »
Documents JDZW-35 33kV Cast-Resin Voltage Transformer for Substation Metering and Protection – IEC 61869-3 Certified May 21, 2026 / May 2, 2026 by tianming JDZW-35 33kV Cast-Resin Voltage Transformer for Substation Metering and Protection – IEC 61869-3 Certified Introduction to the JDZW-35 Voltage Transformer The JDZW-35 is a single-phase, outdoor-rated, cast-resin insulated voltage transformer (VT) engineered for precise voltage measurement and reliable protective relay operation in 33kV (IEC) / 35kV (domestic) medium-voltage networks. Designed in strict compliance with IEC […] Read more »
Documents JDZW-10R 11kV Outdoor Voltage Transformer: IEC 61869-Compliant for Metering & Protection May 21, 2026 / April 22, 2026 by tianming Introduction The JDZW-10R voltage transformer is a critical component in medium-voltage power systems, specifically engineered for accurate voltage measurement and reliable operation in 10kV networks. As a resin-insulated, outdoor-type instrument transformer, it provides isolation between high-voltage primary circuits and low-voltage secondary instrumentation, ensuring both safety and precision. This selection guide serves as a technical reference […] Read more »
