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รวม63, ต่อหน้า：18บทความ
50kV VLF AC Hipot Test Set VLF-50 can output a maximum of 50kV AC voltage at 0.1Hz, 0.05Hz, 0.02Hz or 0.01Hz, which is designed for AC withstand testing of 25kV power cables according to the standard IEEE 400.2-2013, IEEE 400.2-2024, IEC 60502-2 and DL/T 849.4-2024.
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HC34KV VLF/DC is the latest generation of multifunctional VLF hipot test system, which can perform VLF withstand voltage, tan delta and DC test, as well as sheath test with sheath fault location mode in compliance with the standard IEEE 400.2-2013, IEEE 400.2-2024, IEC 60502-2 and IEC 60229
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HC45-VLF/DC is the latest generation of multifunctional VLF hipot test system, which is capable of performing VLF withstand voltage, tan delta and DC test, as well as sheath test with sheath fault location mode in compliance with the standard IEEE 400.2-2013, IEEE 400.2-2024, IEC 60502-2 and IEC 60229.
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The fully automatic dielectric loss tester is a high-precision instrument designed for the on-site, fully automatic measurement of the dielectric loss tangent and capacitance of various high-voltage power equipment at power plants, substations, and similar facilities. High-voltage short-circuit protection CVT overvoltage protection
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The transformer low-voltage short-circuit impedance tester is easy to operate and provides intuitive results, making it a rapid tool for on-site testing to detect winding deformation in transformers. It performs synchronous data acquisition and automatically calculates the percentage impedance error. It automatically completes three-phase testing without the need to reconnect test leads.
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The intelligent power-frequency withstand voltage test system is a new type of power testing equipment that integrates modern computer technology and automated control technology with traditional power-frequency withstand voltage testing systems. Building upon the original capabilities, it incorporates intelligent features, automation, and data management functions, thereby significantly enhancing testing efficiency and accuracy. Offers both automatic and manual operation modes Voltage and cur...
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High-voltage test equipment designed for performing power-frequency withstand voltage tests on various electrical equipment, insulation materials, and components. Features multiple intelligent protection mechanisms for safe and reliable operation. Sturdy yet portable structure, suitable for use in diverse on-site environments.
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Suitable for conducting DC withstand voltage tests or DC leakage current tests on high-voltage electrical equipment—such as zinc oxide surge arresters, power cables, transformers, circuit breakers, and generators—within power utilities and industrial enterprises (including mining, metallurgy, and steel sectors). Incorporates specialized measures for shielding, isolation, and grounding. Features protection against overvoltage, overcurrent, and zero-position startup. Includes a function to swit...
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The HVBYKC-III On-Load Tap-Changer (OLTC) Tester is designed in accordance with the general technical specifications of DL/T 846.8-2004, which mandate the verification of OLTC operation sequences and the measurement of switching times. It enables precise measurement of parameters such as transition time, transition waveform, transition resistance, and three-phase synchronization, making it an ideal instrument for testing on-load tap-changers.
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The HVTRC Transformer Loss and Capacity Tester is a new instrument designed to address issues such as electricity consumers evading basic electricity charges and unauthorized capacity expansion; it is a high-precision instrument specifically designed for measuring transformer capacity and characteristic parameters.
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Voltage-Withstand Test Device for Voltage Detectors Designed to verify that voltage detectors meet standards, ensuring safe and reliable indication of electric field strength during use. Fine-tuning control allows for precise distance adjustment. Graduated scale enables intuitive and accurate distance adjustment. Facilitates precise alignment with and contact at the center of the electrode.
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The withstand voltage test system for insulating boots (and gloves) features fully automatic voltage ramping (raising and lowering) and automatically records the leakage current for each test sample. The entire testing process is automated, including the printing of test data, effectively resolving the issues associated with inconsistent testing methods used in the past. High-precision stepper motor control for the voltage regulator's ramping process Full Chinese-language interface with status...
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Based on the measurement of characteristic parameters of internal transformer windings, the HCRZ-3000 Transformer Winding Deformation Tester employs the Frequency Response Analysis (FRA) method for internal fault detection—a technique currently being developed and refined in advanced nations worldwide—to accurately diagnose internal faults within transformers.
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1. Data acquisition and control are managed by a high-speed, highly integrated microprocessor. 2. Communication between the laptop and the instrument is established via a USB interface. 3. The hardware core employs dedicated, high-speed Digital Direct Synthesis (DDS) sweep frequency technology (originating from the USA); through testing, it can accurately diagnose faults such as winding distortion, bulging, displacement, tilting, inter-turn short-circuit deformation, and inter-phase cont...
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When utilizing a high-precision loop contact resistance tester, the measured values are often inflated—by several orders of magnitude—due to the influence of oil films and oxide layers present between the contact points; consequently, these readings fail to accurately reflect the true contact resistance value. High Current, High Stability High Precision, Intelligent Operation Multiple Communication Modes
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Used for measuring the contact resistance of high-voltage switchgear (such as circuit breakers, disconnectors, etc.). Test Current: 50A / 100A (Selectable) Accurate measurement, stable performance, and high resolution.
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Specifically designed for low-voltage operation, trip/close, and energy storage testing of high-voltage switchgear; resolves voltage drop issues to ensure precise and reliable testing results. Zero Load Voltage Drop:** Features advanced dynamic compensation technology to ensure stable, undiminished output even under load. Comprehensive Trip, Close, and Energy Storage Testing:** Enables one-touch verification of switchgear operational reliability, covering all relevant testing scenarios. Press...
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The HCBT-Z Comprehensive Transformer Test Bench complies with relevant national standards, including GB/T4776, GB/T5169, and GB/4285-1993. This test bench is primarily designed to evaluate the no-load and load characteristics of power transformers and distribution transformers; it is also capable of performing double-frequency induced voltage tests and power-frequency withstand voltage tests on the transformers under test.
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