Documents JLS-35K 33kV Cast-Resin Current Transformer for Substation Metering & Protection – IEC 61869-2 Compliant April 22, 2026 / April 28, 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 single-phase, outdoor-type cast-resin voltage transformer (VT) engineered for precise voltage transformation in 33 kV (IEC) / 35 kV (domestic) medium-voltage power systems. It functions by stepping down the high primary system voltage […] Read more »
Documents JDZW-35R 33kV Cast-Resin Voltage Transformer for Substation Metering and Protection – IEC 61869-3 Certified April 22, 2026 / April 27, 2026 by tianming JDZW-35R 33kV Cast-Resin Voltage Transformer for Substation Metering and Protection – IEC 61869-3 Certified Introduction to the JDZW-35R Voltage Transformer The JDZW-35R is a single-phase, outdoor-type cast-resin voltage transformer (VT) engineered for precise voltage measurement and reliable protective relay operation in medium-voltage power systems rated at 33kV (IEC standard) or 35kV (domestic Chinese system). Designed […] Read more »
Documents Outdoor 33kV Cast-Resin Voltage Transformer UNKNOWN for Metering and Protection – IEC 61869-3 Certified April 22, 2026 / April 27, 2026 by tianming Outdoor 33kV Cast-Resin Voltage Transformer UNKNOWN for Metering and Protection – IEC 61869-3 Certified Introduction to the UNKNOWN Voltage Transformer The UNKNOWN voltage transformer (VT) is a medium-voltage instrument transformer engineered for reliable operation in outdoor 33 kV (IEC standard) or 35 kV (Chinese domestic system) networks. As a cast-resin type, it utilizes vacuum pressure […] Read more »
Documents SEL-351 33kV Cast-Resin Current Transformer for Substation Metering & Protection – IEC 61869-2 Compliant April 22, 2026 / April 28, 2026 by tianming 33kV Cast-Resin Voltage Transformer UNKNOWN for Metering and Protection – IEC 61869-3 Standard Introduction to the UNKNOWN Voltage Transformer The UNKNOWN voltage transformer (VT) is a single-phase, cast-resin insulated instrument transformer engineered for reliable operation in 33kV (IEC) / 35kV (domestic) medium-voltage power systems. Designed in strict compliance with IEC 61869-3 and GB/T 20840.3, this […] Read more »
Documents INE-2 11kV Cast-Resin Current Transformer for Substation Metering and Protection – IEC 61869-2 Certified April 22, 2026 / April 27, 2026 by tianming INE-2 11kV Cast-Resin Current Transformer for Substation Metering and Protection – IEC 61869-2 Certified Introduction to the INE-2 Current Transformer The INE-2 is a medium-voltage cast-resin current transformer (CT) engineered for precision metering and dependable protection in 11kV (IEC standard) or 10kV (domestic nominal) electrical networks. Designed per IEC 61869-2 and GB/T 20840.2, this device […] Read more »
Documents Outdoor 33kV Cast-Resin Voltage Transformer JDZW-35K for Metering and Protection – IEC 61869-3 Certified April 22, 2026 / April 27, 2026 by tianming Outdoor 33kV Cast-Resin Voltage Transformer JDZW-35K for Metering and Protection – IEC 61869-3 Certified Introduction to the JDZW-35K Voltage Transformer The JDZW-35K is a single-phase, outdoor-rated cast-resin voltage transformer (VT) engineered for reliable operation in 33 kV (IEC standard) or 35 kV (Chinese domestic system) power networks. Unlike traditional oil-immersed designs, this unit employs vacuum […] Read more »
Documents JDZW-20 21kV Cast-Resin Current Transformer Compliant with IEC 61869-2 for Metering & Protection for substation appli… April 22, 2026 / April 29, 2026 by tianming IEC 61869-3 Certified 21kV Cast-Resin Voltage Transformer JDZW-20 for Metering & Protection Applications Introduction to the JDZW-20 Voltage Transformer The JDZW-20 is a single-phase, outdoor-rated, cast-resin insulated electromagnetic voltage transformer (VT) designed for operation in 21 kV (IEC) / 20 kV (domestic) medium-voltage power systems. Engineered to meet the stringent requirements of IEC 61869-3 and […] Read more »
Documents JDZW-35 33kV Cast-Resin VT Transformer: IEC 61869-3 Compliant for Metering & Protection for voltage transformer Applicat April 22, 2026 / April 27, 2026 by tianming Outdoor 33kV Cast-Resin Voltage Transformer JDZW-35 – IEC 61869-3 Compliant Introduction to the JDZW-35 Voltage Transformer The JDZW-35 is a single-phase, outdoor-rated cast-resin voltage transformer (VT) engineered for precise voltage measurement and dependable operation in 33 kV (IEC) / 35 kV (domestic) medium-voltage power systems. Unlike legacy oil-immersed designs, this instrument transformer employs vacuum pressure […] Read more »
Documents 21kV Cast-Resin Voltage Transformer UNKNOWN for Metering and Protection – IEC 61869-3 Standard for voltage transformer A April 22, 2026 / April 27, 2026 by tianming 21kV Cast-Resin Voltage Transformer UNKNOWN for Metering and Protection – IEC 61869-3 Standard Introduction to the UNKNOWN Voltage Transformer The UNKNOWN voltage transformer (VT) is a precision-engineered instrument transformer designed for medium-voltage (MV) power systems operating at a nominal system voltage of 20 kV, corresponding to an IEC-rated maximum system voltage of 21 kV. As […] Read more »
Documents SZV-10K 11kV Cast-Resin Current Transformer for Substation Metering & Protection – IEC 61869-2 Compliant April 22, 2026 / April 28, 2026 by tianming 11kV Cast-Resin Voltage Transformer SZV-10K for Metering and Protection – IEC 61869-3 Standard 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 transformation in 11kV (IEC) / 10kV (domestic) medium-voltage power systems. It provides galvanic isolation between high-voltage primary circuits and low-voltage secondary […] Read more »
Documents LSZY-10 11kV Cast-Resin Current Transformer for Substation Metering and Protection – IEC 61869-2 Certified April 22, 2026 / April 27, 2026 by tianming LSZY-10 11kV Cast-Resin Current Transformer for Substation Metering and Protection – IEC 61869-2 Certified Introduction to the LSZY-10 Current Transformer The LSZY-10 is a medium-voltage, outdoor-rated, cast-resin current transformer (CT) engineered for precise current measurement and dependable protective relaying in 11kV (IEC) / 10kV (domestic) power systems. Designed per IEC 61869-2 and GB/T 20840.2 standards, […] Read more »
Documents Outdoor/Indoor 11kV Cast-Resin Current Transformer LAJ-10Q – IEC 61869-2 Compliant for current transformer Applications April 22, 2026 / April 27, 2026 by tianming Outdoor/Indoor 11kV Cast-Resin Current Transformer LAJ-10Q – IEC 61869-2 Compliant Introduction to the LAJ-10Q Current Transformer The LAJ-10Q is a medium-voltage cast-resin current transformer (CT) engineered for precise current measurement and dependable protective relaying in 11kV (IEC-rated) or 10kV (domestic system) electrical networks. Designed for both indoor switchgear and outdoor substation environments, this device leverages […] Read more »
