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Altogether63, Every page shows：18article
Suitable for locating faults on 6–35 kV overhead lines; capable of resolving various fault types, including low-impedance faults, high-impedance faults, arcing ground faults, and phase-to-phase short circuits. AC Localization — Direct Output AC Localization — Output via External Step-up Transformer DC Localization (Ground faults with high/low transition resistance, and arcing ground faults)
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The multi-functional phase verifier consists of an X transmitter, a Y transmitter, a Z transmitter, and a main receiver unit. The three transmitters transmit the phase and frequency signals from their respective lines back to the main receiver. The main receiver then calculates the phase differences between the three lines to determine the phase sequence. Suitable for live-line operations on 6 kV to 220 kV transmission lines. It also features a high-voltage live-line detection function.
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Features functions for identifying both energized and de-energized cables, as well as AC current and AC voltage measurement. Equipped with a large-aperture inductive clamp, allowing for easy clamping of a wide variety of cables. Utilizes a clamp-coupling method to enable live-cable identification, offering multi-purpose functionality in a single device. Boasts high sensitivity and precise signal recognition.
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Enables precise measurement of a comprehensive set of power-frequency parameters for transmission lines. Maximum measurable voltage: 750 V. Large-screen, high-brightness LCD display.
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Suitable for phase verification on primary AC transmission lines and secondary live-line indicators; also features a high-voltage voltage detection function. Utilizes wireless transmission technology for safe and reliable operation. Automatically powers off after 1 hour of inactivity. Both the transmitter and the receiver unit feature built-in rechargeable lithium batteries.
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Designed for testing various types of faults in power cables—including precise localization of cable routes and burial depths—as well as for diagnosing faults in railway and airport signal control cables and street lighting cables. Suitable for fault testing on 110kV power cables. Features automatic fault searching and automatic distance display. Supported Fault Types: Open circuits, short circuits, low-resistance faults, high-resistance leakage faults, and high-resistance flashover faults.
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This device is applicable to various types of optical cables and electrical cables containing metal conductors (such as twisted pairs, sheathing, or shielding layers). Its primary functions are the precise localization of insulation faults relative to ground and the tracing of cable routes. High reception sensitivity Low static drift High localization accuracy
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Industrial PC / With Interlock / With Energy Storage / DC Output Compatible with various types of sensors; installation is convenient and straightforward. Suitable for all switch models manufactured domestically and internationally. The internal anti-interference circuitry ensures reliable operation within 500kV substations.
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Microcontroller-based / With Latching Function / Dry Contact / With Energy Storage / DC Output Compatible with various types of sensors; installation is convenient and straightforward. Suitable for all switch models manufactured domestically and internationally. The internal anti-interference circuitry ensures reliable operation within 500kV substations.
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Suitable for mechanical characteristic testing of all models of SF6 switches, GIS combined electrical apparatus, vacuum switches, and oil-immersed switches manufactured both domestically and internationally. Features exceptional anti-interference capabilities, enabling effortless testing and precise measurements even in the presence of live 500kV substation bypass busbars. Supports a versatile range of speed sensors (optional)—including linear displacement sensors and rotary speed sensors—whic...
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The HC-300B Circuit Breaker Analyzer is designed to test and measure the mechanical characteristic parameters of high-voltage switches (including vacuum, SF6, low-oil, oil-immersed, and other types used in power systems). Featuring stable measurement data and strong anti-interference capabilities, it is suitable for conducting field tests at power stations with voltage levels of 500 kV and below. With its convenient wiring and simple operation, it serves as the most practical tool for the mainte...
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Microcontroller-based / DC Output / Remote Control Remote control via mobile Bluetooth; real-time upload of test data Compatible with all switch models manufactured domestically and internationally Internal anti-interference circuitry ensures reliable operation within 500kV substations
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The HCVF Series of Variable-Frequency Resonance Withstand Voltage Test Systems employs a method of adjusting the power supply frequency to achieve resonance between the reactor and the capacitor under test, thereby generating high voltage and high current across the test object. Due to its low power input requirements, lightweight design, and compact dimensions, this system has garnered widespread acclaim and application both domestically and internationally, representing a modern methodology an...
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The HCVF Series Variable-Frequency Resonance Withstand Voltage Test System employs a method of adjusting the power supply frequency to achieve resonance between the reactor and the capacitor under test, thereby generating high voltage and high current across the test object. Due to its low power input requirements, lightweight design, and compact dimensions, this system has garnered widespread acclaim and application both domestically and internationally, representing a modern methodology and pr...
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The HC Series Variable Frequency Series Resonance Withstand Voltage Test System employs a method of adjusting the power supply frequency to achieve resonance between the reactor and the capacitor under test, thereby generating high voltage and high current across the test object. Due to its low power input requirements, lightweight design, and compact dimensions, this system has garnered widespread acclaim and application both domestically and internationally, representing a modern methodology a...
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The HC-1600 Microcomputer-based Relay Protection Tester was developed based on the technical specifications for microcomputer-based relay protection testing equipment originally issued by the power sector. Drawing upon and synthesizing extensive experience in development and manufacturing, it incorporates the latest modern digital technologies, high-precision electronic components, and a micro-system featuring innovative circuitry and structural design.
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Power-frequency withstand voltage test sets, transformers, GIS systems, SF6 switches, CTs/PTs, insulators, busbars, cables, bushings, and other capacitive equipment are the most common primary electrical devices found in substations.
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This device employs a high-speed, high-performance digital control processor as its control unit; in terms of software, it utilizes double-precision algorithms to generate arbitrary, high-precision waveforms for each phase. Thanks to its integrated architecture, the various components are tightly coupled, resulting in short data transmission paths and a compact structure.
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