Wuhan GDZX Power Equipment Co., Ltd

Why are High and Low Voltage Switchgear Energization Test Benches so important?

.gtr-container-mno456 { font-family: Verdana, Helvetica, "Times New Roman", Arial, sans-serif; color: #333; line-height: 1.6; padding: 15px; box-sizing: border-box; max-width: 100%; overflow-x: hidden; } .gtr-container-mno456 p { font-size: 14px; margin-bottom: 1em; text-align: left !important; word-break: normal; overflow-wrap: normal; } .gtr-container-mno456 .gtr-section { margin-top: 1.5em; margin-bottom: 1.5em; } .gtr-container-mno456 .gtr-section-title { display: block; font-size: 18px; font-weight: bold; margin-bottom: 0.8em; color: #0056b3; } .gtr-container-mno456 .gtr-bold-text { font-weight: bold; } .gtr-container-mno456 .gtr-list { list-style: none !important; padding-left: 0; margin-top: 0.5em; margin-bottom: 1em; } .gtr-container-mno456 .gtr-list li { position: relative !important; padding-left: 1.5em !important; margin-bottom: 0.5em !important; font-size: 14px !important; text-align: left !important; } .gtr-container-mno456 .gtr-list li::before { content: "•" !important; position: absolute !important; left: 0 !important; color: #0056b3 !important; font-size: 1.2em !important; line-height: 1 !important; } @media (min-width: 768px) { .gtr-container-mno456 { padding: 25px; max-width: 960px; margin-left: auto; margin-right: auto; } .gtr-container-mno456 .gtr-section-title { font-size: 18px; } } In power systems, high and low voltage switchgear acts as a "power dispatch center," responsible for the distribution and control of electrical energy. However, before being put into operation, how can we ensure its reliable performance and safe operation? This is where high and low voltage switchgear energization test benches play an irreplaceable role. Simply put, an energization test bench is a "mobile comprehensive testing platform" specifically designed for switchgear. It can perform comprehensive electrical performance testing on switchgear under simulated real power grid operating conditions. It's like a professional doctor before the switchgear "goes into service," simulating various operating conditions to conduct a comprehensive "physical examination" of its "heart" (circuit breaker), "nerves" (relays, instruments), and "sensors" (indicating devices). The test bench typically consists of an adjustable power supply, measuring instruments, a control unit, and standard interfaces. It can output different voltages and currents, allowing for precise measurements with various instruments. Its core functions include two main categories of tests: Core Functions: First, secondary circuit testing, primarily testing control, measurement, and signal circuits. For example, tests verify the stability of the operating power supply, test the reliability of the circuit breaker's anti-pumping and interlocking functions, calibrate the accuracy of instruments such as ammeters and voltmeters, and verify the normal operation of various indicator lights and alarm signals. These tests ensure that the switchgear can respond correctly under abnormal conditions, guaranteeing operational safety. Secondly, primary circuit simulation tests are conducted. By applying high voltage or high current to the main circuit, the conductivity and insulation strength are checked, and even the characteristics and ratio of current transformers can be tested to promptly detect poor contact or insulation defects. GDZX ZXKG-G High and Low Voltage Switchgear Energization Test Bench Advantages: Comprehensive Functions: Integrates three-phase AC 0-400V, DC 0-300V adjustable, and multiple fixed AC/DC power supplies, meeting all energization test requirements of switchgear in one unit. Precise Measurement: Employs 0.5-grade precision digital meters to directly display voltage, current, and power factor, providing intuitive readings and reliable data. Safe and Portable: Each output is equipped with an air switch for protection, with a volume only 30%-70% of similar products. It also features casters for flexible movement, suitable for workshop and on-site testing, ensuring comprehensive safety. Technical parameters can be customized to meet user requirements; the brand of primary components inside the enclosure is optional. As the first line of defense for power system safety, the energization test bench is crucial before switchgear leaves the factory, after installation, or during maintenance. It can expose and eliminate potential hazards before being connected to the grid, effectively preventing power outages, damage, and even safety accidents caused by equipment failure. Therefore, switchgear manufacturers, power construction units, and operation and maintenance units should all attach great importance to the application of energization test benches to solidify the foundation for safe power operation.

ZGS series DC high-voltage generator (voltage and current error of only ±1%，Overvoltage setting error ≤1%)

.gtr-container-f7h2k9 { font-family: Verdana, Helvetica, "Times New Roman", Arial, sans-serif; color: #333; line-height: 1.6; padding: 15px; box-sizing: border-box; max-width: 100%; overflow-x: hidden; } .gtr-container-f7h2k9 p { font-size: 14px; margin-bottom: 1em; text-align: left !important; } .gtr-container-f7h2k9__title { font-size: 18px; font-weight: bold; margin-bottom: 1.5em; color: #0056b3; text-align: left; } .gtr-container-f7h2k9__subtitle { font-size: 16px; font-weight: bold; margin-top: 2em; margin-bottom: 1em; color: #0056b3; text-align: left; } .gtr-container-f7h2k9__features-list { list-style: none !important; padding: 0; margin: 0; } .gtr-container-f7h2k9__feature-item { position: relative; padding-left: 25px; margin-bottom: 1.5em; text-align: left; } .gtr-container-f7h2k9__feature-item::before { content: "•" !important; position: absolute !important; left: 0 !important; color: #0056b3; font-size: 18px; line-height: 1; top: 0; } .gtr-container-f7h2k9__feature-title { font-size: 14px; font-weight: bold; margin-bottom: 0.5em; color: #333; } .gtr-container-f7h2k9__feature-description { font-size: 14px; margin-bottom: 0; text-align: left !important; } @media (min-width: 768px) { .gtr-container-f7h2k9 { padding: 30px; } .gtr-container-f7h2k9__title { font-size: 18px; } .gtr-container-f7h2k9__subtitle { font-size: 18px; } } ZGS Series DC High-Voltage Generator In the daily operation and maintenance of power systems, effective preventative testing of high-voltage electrical equipment is crucial, and the DC high-voltage generator is the core equipment for performing such tests. Its importance lies in its ability to detect potential defects in the internal insulation materials of power cables, transformers, surge arresters, and other equipment in advance, preventing power outages caused by insulation aging or damage. It is the first line of defense for ensuring the safe and stable operation of the power grid. The ZGS series DC high-voltage generator is designed according to stringent industry standards and is a new generation of portable high-voltage testing solutions specifically designed for this purpose. It is widely used in power sectors, industrial and mining enterprises, metallurgical companies, and other industries, and is specifically used for DC withstand voltage testing and leakage current measurement of critical equipment such as zinc oxide surge arresters, power cables, and generators. Its core value is achieved through the following characteristics: Precise diagnostic capabilities: The equipment features a fully automatic MOA boost measurement and a high-precision measurement system (voltage and current error of only ±1%), which can accurately assess the operating status and insulation performance of zinc oxide surge arresters, providing reliable decision-making data. Superior reliability and safety: Through special electromagnetic shielding and isolation technology, the equipment can maintain its integrity in harsh discharge environments. Its automatic timing, voltage reduction functions, and comprehensive accessories maximize the safety of operators and equipment. Highly efficient intelligent operation: A large-screen LCD display, human-machine interface, and automatic data storage simplify the traditionally complex high-voltage testing process, improve testing efficiency, and ensure data traceability. Technological advantages: The ZGS series covers output voltages of 400-500kV and power outputs up to 20kW, meeting diverse field requirements. Its excellent voltage stability ensures stable voltage output even during power fluctuations, guaranteeing consistent testing conditions. In conclusion, the ZGS series DC high-voltage generator is not only a tool for performing standard tests, but also provides crucial support for the "health check" of high-voltage electrical equipment through its high precision, intelligence, and high reliability, thus playing an irreplaceable role in the power safety and quality management system.

High precision Oil-immersed 300k AC/DC high voltage divider--AC：0.5%/DC：0.5%

.gtr-container-c7d8e { font-family: Verdana, Helvetica, "Times New Roman", Arial, sans-serif; color: #333; line-height: 1.6; padding: 15px; box-sizing: border-box; max-width: 100%; overflow-x: hidden; } .gtr-container-c7d8e p { font-size: 14px; margin-bottom: 1em; text-align: left !important; word-break: normal; overflow-wrap: normal; } .gtr-container-c7d8e .gtr-intro-text-c7d8e { font-size: 16px; font-weight: bold; margin-bottom: 1.5em; color: #0056b3; } .gtr-container-c7d8e .gtr-section-c7d8e { margin-bottom: 20px; padding-bottom: 15px; border-bottom: 1px solid #eee; } .gtr-container-c7d8e .gtr-section-c7d8e:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; } .gtr-container-c7d8e .gtr-heading-c7d8e { font-size: 18px; font-weight: bold; margin-bottom: 1em; color: #0056b3; text-align: left !important; } .gtr-container-c7d8e .gtr-params-list-c7d8e { margin: 0; padding: 0; list-style: none; display: block; } .gtr-container-c7d8e .gtr-params-list-c7d8e dt { font-weight: bold; font-size: 14px; margin-bottom: 5px; padding-left: 15px; position: relative; text-align: left !important; } .gtr-container-c7d8e .gtr-params-list-c7d8e dt::before { content: "•" !important; position: absolute !important; left: 0 !important; color: #0056b3; font-size: 14px; line-height: 1.6; } .gtr-container-c7d8e .gtr-params-list-c7d8e dd { margin-left: 15px; margin-bottom: 10px; font-size: 14px; text-align: left !important; } @media (min-width: 768px) { .gtr-container-c7d8e { padding: 25px 40px; } .gtr-container-c7d8e .gtr-intro-text-c7d8e { font-size: 18px; } .gtr-container-c7d8e .gtr-heading-c7d8e { font-size: 20px; } .gtr-container-c7d8e .gtr-params-list-c7d8e { display: grid; grid-template-columns: 200px 1fr; gap: 10px 20px; } .gtr-container-c7d8e .gtr-params-list-c7d8e dt { margin-bottom: 0; padding-left: 0; text-align: right !important; } .gtr-container-c7d8e .gtr-params-list-c7d8e dt::before { content: none !important; } .gtr-container-c7d8e .gtr-params-list-c7d8e dd { margin-left: 0; margin-bottom: 0; text-align: left !important; } } Wuhan GDZX's FRA series oil-immersed AC/DC high-voltage voltage divider combines high-precision measurement with a portable design. Product Features and Advantages: This device uses a highly stable passive resistive-capacitive voltage divider combined with a high-precision digital voltmeter, providing multiple measurement functions including DC voltage, AC RMS, AC peak value, and peak/√2 value, all switchable with a single button. The entire unit is integrated into a lightweight aluminum alloy casing, making it easy to carry and operate. The device strictly adheres to high-voltage safety regulations and is equipped with a dedicated discharge resistor rod to ensure safe and reliable operation. Main Technical Parameters: Measuring Range: AC/DC 50kV-300kV (400kV-1000kV customization supported) Accuracy Class: 0.5 for both AC and DC Voltage Dividing Ratio: 3000:1 to 15000:1 Operating Environment: Temperature 0-40℃, Humidity ≤85% Equipment Weight: 10-31kg, convenient for field use Application Scenarios: This product is widely used in high-voltage testing in power systems, equipment testing in power plants and substations, teaching and research in university laboratories, and acceptance and maintenance of various high-voltage equipment. It is an ideal tool for power engineers and researchers to perform high-voltage measurements.

Why are the Electronic frequency multi-frequency generators so important？

.gtr-container-qwe789 { font-family: Verdana, Helvetica, "Times New Roman", Arial, sans-serif; color: #333; line-height: 1.6; padding: 16px; max-width: 100%; box-sizing: border-box; } .gtr-container-qwe789 p { font-size: 14px; margin-bottom: 1em; text-align: left !important; } .gtr-container-qwe789 .gtr-title { font-size: 18px; font-weight: bold; margin-bottom: 1.5em; color: #0056b3; text-align: left !important; } .gtr-container-qwe789 .gtr-section-title { font-size: 16px; font-weight: bold; margin-top: 2em; margin-bottom: 1em; color: #0056b3; border-bottom: 1px solid #eee; padding-bottom: 0.5em; text-align: left !important; } .gtr-container-qwe789 ul.gtr-problem-solution-list, .gtr-container-qwe789 ol.gtr-standards-list { list-style: none !important; padding: 0; margin: 1em 0; } .gtr-container-qwe789 ul.gtr-problem-solution-list li, .gtr-container-qwe789 ol.gtr-standards-list li { position: relative; padding-left: 25px; margin-bottom: 0.8em; font-size: 14px; text-align: left !important; } .gtr-container-qwe789 ul.gtr-problem-solution-list li::before { content: "•" !important; position: absolute !important; left: 0 !important; color: #0056b3; font-size: 1.2em; line-height: 1; top: 0; } .gtr-container-qwe789 ol.gtr-standards-list li { counter-increment: none; } .gtr-container-qwe789 ol.gtr-standards-list li::before { content: counter(list-item) "." !important; position: absolute !important; left: 0 !important; color: #0056b3; font-weight: bold; width: 20px; text-align: right; top: 0; } .gtr-container-qwe789 .gtr-label-problem, .gtr-container-qwe789 .gtr-label-solution, .gtr-container-qwe789 .gtr-label-principle, .gtr-container-qwe789 .gtr-label-importance { font-weight: bold; color: #0056b3; margin-right: 5px; } .gtr-container-qwe789 .gtr-content { display: inline; } @media (min-width: 768px) { .gtr-container-qwe789 { padding: 24px 40px; max-width: 960px; margin: 0 auto; } .gtr-container-qwe789 .gtr-title { font-size: 20px; } .gtr-container-qwe789 .gtr-section-title { font-size: 18px; } } Electronic frequency multi-frequency generators are not ordinary tools for routine maintenance, but mandatory diagnostic equipment used at critical junctures such as equipment manufacturing, new installation and commissioning (handover testing), and post-overhaul, to perform "deep health checks" on core power equipment (PTs, transformers, GIS, cables). In short: they are specialized "CT scanners," ensuring the "smooth flow" (healthy insulation) and "sensitive nerves" (precise signal transmission) of transformers, instrument transformers, and other equipment, forming a crucial link in building a robust smart grid security defense. Why are they so important? Their importance lies in their irreplaceable technical means to ensure the safe and reliable operation of the power grid. A keen eye helps you discover hidden insulation defects. Problem: Many serious insulation defects (such as inter-turn short circuits, winding deformation, and internal particles in GIS) cannot be exposed in conventional power frequency withstand voltage tests. Solution: Multi-frequency testing, by altering the electric field frequency distribution, can accurately excite and detect these "potential" defects, preventing equipment from being put into use with defects present. Core Technology for Preventing Core Magnetic Saturation Principle: According to the formula V = 4.44fNBA, voltage (V) is proportional to frequency (f) and magnetic flux density (B). The only way to increase voltage V without causing core burnout due to magnetic flux density B saturation is to simultaneously increase frequency f. Importance: This is the only safe and effective method for rigorous insulation testing of electromagnetic PTs and transformers. Key Enablement for Field Testing of Large Equipment Problem: Testing capacitive equipment (such as GIS and long cables) at power frequency requires enormous power capacity (KVA), making the equipment bulky and impassable in the field. Solution: Required power capacity S x f. Theoretically, increasing the frequency from 50Hz to 150Hz can reduce the power capacity requirement by 2/3, allowing for field testing with relatively lightweight equipment. Compliance with mandatory international standards Standard basis: The International Electrotechnical Commission (IEC) and national standards (GB) clearly stipulate that the insulation testing of the above-mentioned equipment requires induced withstand voltage testing or frequency conversion withstand voltage testing. IEC 60076-3 (Power Transformers) IEC 61869-1 (Instrument Transformers) GB 50150-2016 (Acceptance Testing Standards for Electrical Equipment in Electrical Installations)

Handheld High-Precision Moisture Analyzer: A Reliable GDZX Insulating Gas Humidity in Power Equipment

.gtr-container-xyz123 { font-family: Verdana, Helvetica, "Times New Roman", Arial, sans-serif; color: #333; line-height: 1.6; font-size: 14px; padding: 16px; max-width: 100%; box-sizing: border-box; } .gtr-container-xyz123 p { margin-bottom: 1em; text-align: left !important; } .gtr-container-xyz123 .gtr-title { font-size: 18px; font-weight: bold; margin-bottom: 1.5em; color: #0056b3; text-align: center !important; } .gtr-container-xyz123 .gtr-subtitle { font-size: 16px; font-weight: bold; margin-top: 2em; margin-bottom: 1em; color: #0056b3; } .gtr-container-xyz123 .gtr-highlight { font-weight: bold; color: #0056b3; } @media (min-width: 768px) { .gtr-container-xyz123 { padding: 24px; max-width: 960px; margin: 0 auto; } .gtr-container-xyz123 .gtr-title { font-size: 18px; } .gtr-container-xyz123 .gtr-subtitle { font-size: 18px; } } Handheld High-Precision Moisture Analyzer Accurate measurement of trace moisture in insulating gases such as SF6 is crucial for power equipment maintenance. This handheld high-precision moisture analyzer is designed specifically for this purpose, making an ideal tool for on-site testing. Core Performance This instrument boasts superior core performance, with a wide dew point measurement range of -80℃ to +20℃, corresponding to moisture contents of 0.04ppm to 23700ppm. It achieves an accuracy of ±1.0℃ within the -60℃ to +20℃ range, and maintains an accuracy of ±2.0℃ even at extremely low dew points of -80℃ to -60℃. Its response time is rapid; at +20℃, it reaches 63% reading in just 5 seconds. Key Features The instrument features a 4.3-inch color touchscreen, supporting dual display of data and curves. Its built-in storage can save up to 1000 sets of test data, which can be exported via USB. The built-in high-capacity lithium battery provides over 10 hours of continuous operation after a 2-hour charge, fully meeting on-site needs. Design & Compliance Furthermore, the instrument features a compact and lightweight design only 2kg, coupled with a self-locking quick-connect coupling, ensuring safe and easy operation and effectively preventing gas leaks. Whether used in SF6 circuit breakers, transformers, or GIS equipment, this micro-water analyzer provides reliable data support for handover acceptance, periodic inspections, or troubleshooting, strictly adhering to the requirements of the power industry standard DL/T506-2007.

Developing a High-Performance, Fully Automated Transformer Testing Bench: 3150kVA/36kV Comprehensive Testing System

.gtr-container-txs789 { font-family: Verdana, Helvetica, "Times New Roman", Arial, sans-serif; color: #333; line-height: 1.6; padding: 15px; box-sizing: border-box; } .gtr-container-txs789 p { font-size: 14px; margin-bottom: 1em; text-align: left; line-height: 1.6; } .gtr-container-txs789 .gtr-title { font-size: 18px; font-weight: bold; margin-bottom: 1.5em; color: #0056b3; text-align: left; } .gtr-container-txs789 .gtr-subtitle { font-size: 16px; font-weight: bold; margin-top: 2em; margin-bottom: 1em; color: #0056b3; text-align: left; } .gtr-container-txs789 .gtr-highlight { color: #e67e22; font-weight: bold; } .gtr-container-txs789 .gtr-advantage-list { list-style: none !important; padding: 0; margin: 0; } .gtr-container-txs789 .gtr-advantage-list li { position: relative; padding-left: 25px; margin-bottom: 15px; font-size: 14px; text-align: left; } .gtr-container-txs789 .gtr-advantage-list li::before { content: "•" !important; position: absolute !important; left: 0 !important; color: #007bff; font-size: 1.2em; line-height: 1.6; top: 0; } .gtr-container-txs789 .gtr-advantage-list .gtr-advantage-title { font-weight: bold; margin-bottom: 0.5em; color: #333; font-size: 14px; } @media (min-width: 768px) { .gtr-container-txs789 { padding: 25px 40px; } .gtr-container-txs789 .gtr-title { font-size: 22px; } .gtr-container-txs789 .gtr-subtitle { font-size: 18px; } } Wuhan GDZX Comprehensive Transformer Testing System In the increasingly competitive power equipment market, procuring a high-efficiency, accurate, and cost-effective comprehensive transformer testing system is crucial for ensuring product quality and controlling project investment. Our fully automated testing system, specifically designed for 3150kVA/36kV and below transformers, is tailored to this purpose. This system is centered around the ZXBCT-3150kVA/36kV main control console, equipped with a Siemens PLC to ensure precise and reliable control. The standard ZXR-10A DC resistance tester, ZX-BC turns ratio group tester, and ZX-BRL power analyzer cover the routine measurement needs of transformer factory testing. Core Advantages: Flexible and Scalable Modular Design High-voltage testing capability: Equipped with a 160kVA partial discharge-free intermediate transformer and a 50kVA medium-frequency generator set, it easily handles stringent tests such as induced withstand voltage and partial discharge. Precise Measurement Guarantee: The high-voltage cabinet is equipped with voltage and current transformers with 0.1-level accuracy, ensuring the authority and accuracy of measurement data. Comprehensive Safety System: The system incorporates a four-level protection mechanism, providing all-round protection from power input to the test sample, ensuring the safety of personnel and equipment. The transformer comprehensive test bench can accurately determine the no-load current, no-load loss, impedance voltage and load loss of power transformers, accurately measure the transformer DC resistance and turns ratio, implement condition diagnosis, ensure safe operation, and provide reliable data for transformer inspection or repair.

Impulse Current Generator: Waveforms from 1/<20μS to 10/1000μSA Solution for Impulse Testing of Electrical Equipment

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ZXCJV-800kV/40kJ Fully Automatic Impulse Voltage Generator: Ideal for High-Performance Lightning Impulse Testing

.gtr-container-k9m2x1 { font-family: Verdana, Helvetica, "Times New Roman", Arial, sans-serif; color: #333; line-height: 1.6; padding: 15px; max-width: 100%; box-sizing: border-box; } .gtr-container-k9m2x1 p { margin-bottom: 1em; text-align: left !important; font-size: 14px; word-break: normal; overflow-wrap: normal; } .gtr-container-k9m2x1__section { margin-bottom: 25px; } .gtr-container-k9m2x1__section-title { font-size: 18px; font-weight: bold; margin-bottom: 15px; color: #0056b3; text-align: left; } .gtr-container-k9m2x1 ul { list-style: none !important; padding-left: 0 !important; margin-top: 10px; margin-bottom: 1em; } .gtr-container-k9m2x1 ul li { list-style: none !important; position: relative !important; padding-left: 20px !important; margin-bottom: 8px !important; font-size: 14px; text-align: left !important; } .gtr-container-k9m2x1 ul li::before { content: "•" !important; position: absolute !important; left: 0 !important; color: #0056b3 !important; font-size: 1.2em !important; line-height: 1 !important; } @media (min-width: 768px) { .gtr-container-k9m2x1 { padding: 30px; max-width: 960px; margin: 0 auto; } .gtr-container-k9m2x1__section-title { margin-bottom: 20px; } .gtr-container-k9m2x1 p { margin-bottom: 1.2em; } .gtr-container-k9m2x1 ul { padding-left: 0 !important; } .gtr-container-k9m2x1 ul li { padding-left: 25px !important; } } Product Overview The ZXCJV-800kV/40kJ Fully Automatic Impulse Voltage Generator is a complete system designed specifically for full-wave lightning impulse voltage testing of high-voltage electrical equipment (such as ring main units, circuit breakers, load switches, composite insulators, etc.) at 110kV and below. The device has a rated voltage of 800kV and a nominal energy of 40kJ, meeting the requirements for impulse testing in national and industry standards such as GB/T 16927.1. Main Circuit and Structural Design The generator body adopts the SGS series main circuit design from HAEFELY GmbH, Switzerland, achieving a highly compact structure. The system has 8 stages, each with a voltage of 100kV and a capacity of 5kJ. Each stage uses a 1.0μF/100kV dry-type fully insulated solid dielectric capacitor, characterized by low inductance, light weight, and no risk of oil leakage. Under normal operating conditions, the casing deformation is less than 1mm. Triggering and Waveform Adjustment System A ball-triggered mechanism is used to achieve non-polarity triggering, with a trigger range greater than 20%, fast and accurate positioning, and minimal wear. The wavefront and wave-tail resistors utilize a non-inductive wound plate structure with constantan wire, externally vacuum-cast with insulating resin. The connectors are 3mm stainless steel spring-pressed, ensuring reliable contact and a smooth output waveform. The system is equipped with three sets of tuning resistors and one set of charging and protection resistors, possessing sufficient heat capacity to support long-term continuous operation. Control and Measurement System The core control system employs the ZX-CS-2020 fully automatic control system, based on a programmable logic controller (PLC). Control signals and status feedback are transmitted via two-core fiber optic cables, effectively isolating electromagnetic interference. The system supports manual, automatic, and programmable control, and features thyristor voltage regulation, constant current charging (voltage stability 0.5%), automatic ball gap adjustment, LCD display of charging voltage (accuracy 1%), and fault protection functions. The measurement system employs the DIMS-6000 digital impact measurement system, equipped with a high-speed digital acquisition card (sampling rate 1.0GS/s, bandwidth 100MHz, 8-bit resolution, 2 channels, 10K record length per channel), and a ZXCR-800kV/800pF weakly damped capacitive voltage divider (partial response time