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Wuhan UHV uses a multi-protection system to build a solid safety barrier for lightning impulse tests
2026-08-10In the field of high-voltage power testing, safety is the bottom line that cannot be touched. As the core equipment for simulating lightning overvoltage, the lightning impulse voltage generator has an output voltage of hundreds or even thousands of kilovolts. Any negligence during the testing process may cause equipment damage or even personal injury. For power equipment manufacturers, purchasing a lightning impulse voltage generator not only depends on how high the voltage can output and how standard the waveform is, but also on how reliable the safety guarantee is.Wuhan UHV Power Technology Co., Ltd. has been deeply involved in the field of high-voltage electrical measurement for nearly 22 years. The systematic design of its UHV series lightning impulse voltage generator test device in terms of safety and reliability is becoming a key reason for more and more power equipment manufacturers to choose it.Multiple protections, building a comprehensive safety barrierThe safety protection
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Wuhan UHV fortifies the safety defense line for lightning impulse tests with its multi-layer protection system
2026-08-10In the field of high-voltage power testing, safety is an unbreakable bottom line. As the core equipment for simulating lightning overvoltage, the lightning impulse voltage generator has an output voltage of hundreds or even thousands of kilovolts. Any negligence during the testing process may cause equipment damage or even personal injury. For power equipment manufacturers, purchasing a lightning impulse voltage generator not only depends on how high the voltage can output and how standard the waveform is, but also on how reliable the safety guarantee is.Wuhan UHV Power Technology Co., Ltd. has been deeply involved in the field of high-voltage electrical measurement for nearly 22 years. The systematic design of its UHV series lightning impulse voltage generator test device in terms of safety and reliability is becoming a key reason for more and more power equipment manufacturers to choose it.Multiple security protections, building a comprehensive guarantee systemThe safety protection o
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The "Transformer" of Cable Testing: How Modular Series Resonant Handles It All with One System
2026-08-07The factory testing process of cable manufacturing enterprises has a long-standing practical problem that troubles the procurement and production departments: the product line covers voltage levels of 10kV, 35kV, 110kV, and even higher, and the cable length ranges from several hundred meters to several kilometers. Configuring a separate series resonant device for each specification means high equipment investment and factory space occupation; However, a set of fixed configuration devices often cannot cover all experimental requirements.Can one device adapt to all cables? "This is a question repeatedly asked by the procurement department of the cable factory. The answer given by Wuhan UHV Power Technology Co., Ltd. is: yes. The secret lies in modularity.Reactors can be connected in series or parallel, with one configuration covering the entire voltage and lengthThe core of modularity lies in the reactor. The Wuhan UHV series series series resonant device adopts a multi section series pa
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Quality Factor Q: The Efficiency Code You Can't Ignore in Transformer Factory Tests
2026-08-06In the factory test of transformers, the core performance indicators of the variable frequency series resonance test device directly determine the test efficiency, equipment cost, and safety - the quality factor Q value. For the technology selection and procurement decision-making of transformer manufacturing enterprises, a deep understanding of the significance of Q value is a key step in ensuring that the testing equipment accurately matches the production needs.What is the quality factor Q value?The quality factor Q value is the core parameter for measuring the performance of a series resonant circuit. In a series circuit composed of resistors, inductors, and capacitors, when resonance occurs in the circuit, the test voltage obtained at both ends of the test sample (transformer winding) is Q times the output voltage of the excitation transformer's high voltage end. Simply put, Q value is the "voltage amplification factor" of the system.The higher the Q value, the smaller the ene
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Safety protection and reliability dual upgrade: Wuhan UHV's series resonant device fortifies the safety baseline for high-voltage switch factory tests.
2026-08-05In the field of high-voltage switch manufacturing, factory testing is not only the final inspection of product performance, but also a ultimate test of the safety protection system and long-term reliability of testing equipment. Voltage flashover or equipment failure during an experiment may result in damage to expensive GIS (gas insulated switchgear) samples and even lead to safety accidents. In response to the pain points in this industry, Wuhan UHV Power Technology Co., Ltd. (referred to as "Wuhan UHV") relies on nearly 22 years of technological accumulation to build multiple safety protection systems and high reliability guarantee mechanisms in its UHV series variable frequency series resonant AC withstand voltage devices, committed to providing reliable testing equipment for high-voltage switchgear.Multiple hardware protections, constructing a test 'secure firewall'The risk control of high-voltage testing is primarily focused on prevention. The Wuhan UHV series series seri
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The core composition structure of the motor testing bench
2026-08-04The motor testing bench is an indispensable core equipment in motor research and development, production quality inspection, and maintenance. Simply put, it is a comprehensive testing platform that simulates the actual operating conditions of a motor. By simulating the load (torque and speed) and accurately measuring various parameters, it comprehensively evaluates the performance, efficiency, and reliability of the motor.A complete test bench consists of four subsystems:Power and loading unit: including the tested motor (installed on the test bench) and the load motor (usually a test motor or dynamometer). The load motor is responsible for applying resistance to the tested motor, simulating actual loads such as fans, wheels, or pumps. The common types of loads include electric dynamometer (four quadrant operation, capable of feeding back electrical energy) and magnetic powder/eddy current dynamometer (low-cost, but only capable of unidirectional loading).Sensor and signal acquisition
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What is a motor test bench? What are their uses?
2026-08-03The motor test bench is an indispensable and important equipment in motor manufacturing and production. It is also directly related to the comprehensive evaluation of the assembly quality and technical performance of the motor. With the development of technology, traditional testing equipment and methods are no longer able to meet the increasing demand for testing. The emergence of motor test benches has greatly improved the efficiency, accuracy, and quality of motor testing.The motor test bench is fully automated, computerized, and efficient, with safety features designed to prevent misoperation. It adopts an English interface operation, automatically collects and calculates measurement data, generates and prints factory test reports. The measurement control system adopts PLC programming control, which is particularly suitable for occasions with high product requirements and batch testing. The emergence of motor test benches has effectively improved the efficiency and accuracy of moto
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Introduction to the main performance of the motor testing system
2026-08-03The motor testing system consists of a dynamometer dynamic controller, a dynamometer controller, a single-phase and three-phase DC parameter meter, an AC variable frequency power supply/DC power supply, fixtures, an industrial computer display, and a control console. It can arbitrarily change the load of the tested motor and directly measure the output torque, speed, and power of the motor under no-load, load, and locked rotor conditions. The software can achieve manual and automatic testing methods, complete no-load, load, and stall tests, and has functions such as drawing characteristic curves, storage, and printing.1、 Main performance of motor testing system1. The test data is displayed digitally and can be sent to a microcomputer for sampling, curve drawing, and printing;2. Adopting high-precision load sensors; Good stability, long service life and other characteristics;3. The whole machine has high sensitivity, good load torque stability, and good test repeatability;4. Only adjust
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Main functional testing of motor performance testing bench
2026-08-03The motor performance testing bench is mainly used to test various performance indicators of the motor, including output power, efficiency, torque, speed, power factor, harmonics, etc. The following are the main functional tests of the motor performance testing bench:Rated condition test: The motor is tested at rated voltage and frequency to measure performance indicators such as output power, efficiency, torque, and speed.Load characteristic testing: By changing the load situation, measure the performance indicators of the motor such as speed, torque, power factor, efficiency, etc. under different loads.Dynamic characteristic testing: testing the performance of the motor during acceleration, deceleration, starting, stopping, etc., including the motor's response time, torque fluctuation, speed stability, etc.Harmonic testing: Test the harmonic level of the motor output current and evaluate the degree of harmonic pollution caused by the motor to the system.Insulation testing: Testin
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What is the working principle of the motor testing system
2026-07-31The motor testing system is an important link in the comprehensive evaluation of motor assembly quality and technical performance, and is an important process in motor manufacturing and production. Let's take a look at the principles together!The working principle of the motor testing system mainly includes:Sensors and signal acquisition: The motor testing system obtains various parameters of the motor through sensors, such as voltage, current, speed, torque, etc. Sensors convert these physical quantities into electrical signals, and then convert these analog signals into digital signals through data acquisition cards for further processing and analysis.Data processing and analysis: The collected data is calculated and processed through a data processing unit. The data processing unit calculates, processes, and stores the data, and finally presents the results on the display unit. This process involves a comprehensive analysis of motor performance, including the detection and analy
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What are the main types of motor performance testing
2026-07-30Motor performance testing is an indispensable part of the process of motor research and development, production, and operation. It aims to comprehensively evaluate the electrical performance of the motor under various working conditions, ensuring that the motor can meet design requirements and operate stably.Motor performance testing mainly includes the measurement of electrical parameters such as resistance, insulation resistance, inductance, back electromotive force, Hall effect, load, no-load, friction torque, cogging torque, etc. These parameters directly reflect the health status and electrical characteristics of the motor winding. By measuring these parameters, potential issues such as winding short circuits, open circuits, or insulation aging can be detected in a timely manner, ensuring the safe operation of the motor. At the same time, load performance testing is also an important part of electrical performance testing. It evaluates the output power, efficiency, and temperature
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Testing methods for motor performance
2026-07-30Electric motors are common electric equipment in modern industry, and it is necessary to conduct motor testing to ensure their normal operation.Firstly, one of the most common motor testing methods is insulation testing. It can be conducted through methods such as insulation resistance testing, insulation resistance polarization index testing, dielectric loss testing, etc.Secondly, the winding test of the motor. Winding testing can evaluate the state of a motor by measuring parameters such as resistance, insulation resistance, and mutual inductance of the winding. At the same time, the insulation performance of the winding can also be tested through high-voltage testing to ensure the safety and reliability of the motor under high voltage.In addition, load testing of the motor is also essential. Load testing can evaluate the load capacity and performance of a motor by measuring parameters such as current, power, and efficiency. When conducting load testing, it is necessary to select app
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Test content and methods for motor stator
2026-07-30Motor stator testing is an important process in the motor manufacturing process, used to test the performance and quality of the motor stator. The stator of a motor is one of the core components of the motor, responsible for generating magnetic fields and converting electrical energy into mechanical energy. Stator testing is a crucial step in ensuring the normal operation of motor stators. Below, we will introduce the content and methods of motor stator testing.1、 Insulation testingInsulation testing is the primary step in motor stator testing, used to test the insulation performance of stator windings. Insulation testing can be conducted using an insulation resistance tester, which applies a certain voltage and measures the insulation resistance between the winding and ground to determine whether the insulation performance meets the requirements. The results of insulation testing should meet the requirements of motor design to ensure that the stator of the motor will not experience in
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Functions of DC motor test bench equipment
2026-07-29The DC motor test bench equipment is an indispensable testing tool in the motor industry, which can comprehensively test and evaluate the performance of DC motors. The following is a detailed introduction to the DC motor test bench equipment:1、 Main functionsThe DC motor test bench equipment is mainly used to test various performance indicators of DC motors, including motor speed, torque, efficiency, temperature rise, etc. Through these tests, it can be ensured that the performance of the motor meets the design requirements, improving the reliability and service life of the motor.2、 Application scenariosThe DC motor test bench equipment is widely used in motor manufacturers, research institutions, and university laboratories. During the motor production process, testing the motor on a test bench can promptly identify and address potential quality issues, thereby improving product quality. At the same time, research institutions and university laboratories can also use test benches to c
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What is a DC motor test bench
2026-07-29The DC motor test bench is a device used to test and evaluate the performance of DC motors. It is mainly used to measure and inspect whether the motor has faults or damages during operation, as well as to determine its performance. The DC motor test bench usually consists of the following parts:Force measurement system: This is the core part of the entire system, including sensors, weighing devices, and transmission mechanisms, used to measure the output torque and load conditions of the motor.Control system: As the nerve center and control center of the system, including control cabinets and computers, responsible for the control and data acquisition of the entire experimental process.Display recording system: used for recording, storing, and analyzing test data and results.Function and purpose of DC motor test benchThe DC motor test bench can test various parameters of the motor, including voltage, current, input power, output torque, speed, output power, efficiency, temperature, vib
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The Importance of Motor Stator Testing
2026-07-27As an important component of the motor, the stator's performance directly affects the overall performance of the motor. Therefore, conducting stator testing is a crucial step in ensuring the quality of the motor.1、 The Importance of Motor Stator TestingMotor stator testing is an indispensable part of the motor production process. By testing the stator, potential issues can be identified and addressed in a timely manner, ensuring the performance and stability of the motor. At the same time, stator testing also helps to evaluate the lifespan and reliability of the motor, providing important basis for the optimization design of the motor.2、 Common testing methods for motor stator1. Insulation test: Insulation test is to check the insulation performance between the stator winding and the iron core of the motor. By measuring the insulation resistance with a megohmmeter, the insulation status of the stator winding can be determined, thereby ensuring the safe operation of the motor.2. Vol
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What are the types and characteristics of motor testing platforms?
2026-07-27As an indispensable equipment in modern industry, the motor testing platform has a wide variety of types with unique features, aiming to meet the testing needs of different types of motors. From basic electrical performance testing to complex environmental adaptability verification, the motor testing platform provides strong support for the research and development, production, maintenance, and optimization of motors.Main types and their characteristics1、 Intelligent motor comprehensive testing platformThe intelligent motor comprehensive testing platform is a leader in motor testing platforms. It integrates advanced testing technology and automation control methods, and can complete multiple testing tasks. Taking the intelligent motor comprehensive testing platform as an example, this platform is suitable for various tests of AC motors, DC motors, and variable frequency motors after factory and maintenance. It includes multiple components such as industrial computers, test power system
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What is the stator of a motor?
2026-07-27As one of the core components of a motor, the performance and quality of the stator directly affect the stability and service life of the motor. Therefore, strict inspection of the motor stator is a key step to ensure the normal operation of the motor. This article will provide a detailed introduction to the process flow of motor stator detection to ensure the reliability and safety of the motor.Firstly, visual inspection is the first step in the testing process. This step mainly checks whether there is any damage, cracks, deformation or other obvious defects on the surface of the stator. Through visual inspection and necessary measurement tools, potential issues that may affect motor performance can be promptly identified and eliminated.Next is the insulation resistance test. Insulation resistance is an important indicator for evaluating the insulation performance of motor stator. By using an insulation resistance meter, the insulation resistance value of the stator winding to ground
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What are the common models of motor test benches?
2026-07-27There are various common model names for motor test benches, each with different specifications and functions. Below are a few common model names, let's take a look together.1. Motor test benchThe motor test bench is a universal testing equipment that can test various types of motors, including AC motors, DC motors, low-voltage motors, high-voltage motors, etc; The motor test bench can also test the open circuit voltage, short-circuit current, winding resistance, speed, torque, power, efficiency and other performance parameters of the motor. It can provide detailed performance reports for motor manufacturers and offer users the best motor selection plan.2. Motor testing platformMotor testing bench is a testing equipment with performance testing as its main function, mainly used to test various forms of AC and DC motors; The motor testing platform mainly tests various parameters of motor operation, such as voltage, current, power, speed, efficiency, as well as mechanical and insulat
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What are the common types of motor testing systems?
2026-07-24Motor testing system refers to a set of equipment and methods used for performance testing and evaluation of motors. This system measures and analyzes parameters such as voltage, current, speed, power, and temperature of the motor to determine its performance, efficiency, load capacity, reliability, and potential faults. The motor testing system is widely used in fields such as motor manufacturing, maintenance, and scientific research.According to the type and application scenario of the motor, common types of motor testing systems include the following:1、 DC motor testing systemThe DC motor testing system is mainly used for comprehensive testing of the performance of DC motors. The system has the function of regulating the voltage and current of the DC power supply to simulate the operation status of the motor under different load conditions. In addition, the system can accurately measure parameters such as motor speed, torque, and efficiency.2、 AC motor testing systemThe AC motor tes
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