The switchgear power-on test bench integrates multiple AC and DC power supplies to facilitate the detection of the switchgear and greatly increase the work efficiency. Switchgear power-on test bench uses independent transformers and voltage regulators to boost (rising) to avoid burning down the regulator. The primary components in the box are of domestic well-known brand products; the current, voltage, frequency, etc. used for measurement are 0.5 class. Digital watches, sensors (current, voltage transformers, etc.) use 0.5S class.
The switchgear power-on test stand uses an anodized wire drawing panel, which is wear-resistant, dirt-resistant and aesthetically pleasing. The high-voltage measurement system is used in a complete set of devices for high-voltage or inrush current measurements. Including the conversion device, connecting the test sample or test loop necessary connection, conversion device and measuring instrument equipped with attenuation, termination, matching impedance or network transmission system, indicating or recording and measuring instruments, grounding loop, connecting power supply There are many types of loop high-voltage test and applications that require the use of various steady-state or transient high voltages and currents. Commonly-used switchgear power-on test benches The steady-state high-voltage power frequency AC voltage and DC voltage are used as test voltages or operating voltages. Switchgear electricity test bench high voltage and high current impact voltage and inrush current and power frequency oscillation current. The former simulates lightning over-voltage or over-voltage operation, and the latter two simulate lightning current and short-circuit current, respectively.
In addition, there are some special square wave voltages, square wave currents, high current pulses, and nanosecond nuclear-induced electromagnetic pulses. Devices that generate the above high voltages and high currents typically use AC high voltage test transformers, impulse voltage generators, and inrush currents. Generator, synthetic oscillator circuit, etc. Switchgear power test benches are mainly composed of test transformers and high-voltage capacitors, which are composed of different wiring. Test transformers can generate industrial frequency high voltage AC voltage, and can also be used as AC high voltage power supply for other equipment. Various rectifying circuits composed of high-voltage capacitors and silicon stacks can generate DC high voltages, and can also be used as DC high-voltage power supplies for other equipment. The Marx circuit with high voltage capacitors connected in parallel and charged in series and with discharge in the switchgear power-on test bench can generate high impulse voltage. Multiple high-voltage capacitors can be connected in parallel, and a large inrush current can be generated by low-impedance discharge. If discharge occurs through the inductor coil, it can be generated. The oscillating current or voltage is attenuated and can be used to form an oscillation circuit or the like.
In addition to the above-mentioned conventional equipment, it can be modified or combined by a switchgear power-on test bench to generate steep-wave surge voltages, alternating-current superimposed shock-wave voltages, etc. Basic components such as high-voltage capacitors can also be used to construct a variety of special equipment such as capacitors. Inductive chain loops or coaxial types form lines, all of which can generate very high square wave voltages or large square wave currents. The switchgear power-on test bench can realize the single closing, single splitting, splitting, and reclosing of the circuit breaker. The repartitioning operation is convenient for wiring and the operation is simple. When the operation is performed, the whole (partial) data can be obtained only once. You can choose to save 50 sets of data, provide post-inquiry and upload the computer for permanent preservation, and you can also visit and print all the data and motion curve on site. The switchgear power-on test stand adopts the Chinese character prompts to operate in a human-machine dialogue mode, with accurate data, strong anti-interference, small size, light weight, and elegant appearance.
The switchgear power-on test stand uses an anodized wire drawing panel, which is wear-resistant, dirt-resistant and aesthetically pleasing. The high-voltage measurement system is used in a complete set of devices for high-voltage or inrush current measurements. Including the conversion device, connecting the test sample or test loop necessary connection, conversion device and measuring instrument equipped with attenuation, termination, matching impedance or network transmission system, indicating or recording and measuring instruments, grounding loop, connecting power supply There are many types of loop high-voltage test and applications that require the use of various steady-state or transient high voltages and currents. Commonly-used switchgear power-on test benches The steady-state high-voltage power frequency AC voltage and DC voltage are used as test voltages or operating voltages. Switchgear electricity test bench high voltage and high current impact voltage and inrush current and power frequency oscillation current. The former simulates lightning over-voltage or over-voltage operation, and the latter two simulate lightning current and short-circuit current, respectively.
In addition, there are some special square wave voltages, square wave currents, high current pulses, and nanosecond nuclear-induced electromagnetic pulses. Devices that generate the above high voltages and high currents typically use AC high voltage test transformers, impulse voltage generators, and inrush currents. Generator, synthetic oscillator circuit, etc. Switchgear power test benches are mainly composed of test transformers and high-voltage capacitors, which are composed of different wiring. Test transformers can generate industrial frequency high voltage AC voltage, and can also be used as AC high voltage power supply for other equipment. Various rectifying circuits composed of high-voltage capacitors and silicon stacks can generate DC high voltages, and can also be used as DC high-voltage power supplies for other equipment. The Marx circuit with high voltage capacitors connected in parallel and charged in series and with discharge in the switchgear power-on test bench can generate high impulse voltage. Multiple high-voltage capacitors can be connected in parallel, and a large inrush current can be generated by low-impedance discharge. If discharge occurs through the inductor coil, it can be generated. The oscillating current or voltage is attenuated and can be used to form an oscillation circuit or the like.
In addition to the above-mentioned conventional equipment, it can be modified or combined by a switchgear power-on test bench to generate steep-wave surge voltages, alternating-current superimposed shock-wave voltages, etc. Basic components such as high-voltage capacitors can also be used to construct a variety of special equipment such as capacitors. Inductive chain loops or coaxial types form lines, all of which can generate very high square wave voltages or large square wave currents. The switchgear power-on test bench can realize the single closing, single splitting, splitting, and reclosing of the circuit breaker. The repartitioning operation is convenient for wiring and the operation is simple. When the operation is performed, the whole (partial) data can be obtained only once. You can choose to save 50 sets of data, provide post-inquiry and upload the computer for permanent preservation, and you can also visit and print all the data and motion curve on site. The switchgear power-on test stand adopts the Chinese character prompts to operate in a human-machine dialogue mode, with accurate data, strong anti-interference, small size, light weight, and elegant appearance.
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