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I,Overview
HZ5373 3000A high current generator (referred to as upconverter), our own self-developed test equipment, it combines the advantages of similar products at home and abroad, using CNC technology, strong anti-interference ability, compared with the previous generation upconverter Because of the use of low-power, large-capacity self-coupling voltage regulator and high permeability iron core converter, it has the advantages of large output power, small size and light weight. Mainly used in primary bus protection and various current transformer transformation ratio test projects, it is widely used in electric power, railway, petrochemical, metallurgy and mining companies such as scientific research, production and electrical test site.
1.Performance characteristics
Aesthetic and elegant PVC panel
Directly display the test values of primary current and secondary current, which is convenient for experimental observation and recording.
High measurement accuracy, 0.5 level
High power, small size, strong load capacity
Small size and light weight, the volume is only 30% to 70% of similar products, so it is very convenient to carry.
Six and a half liquid crystal display of voltage and current, with higher display accuracy and more accurate test results
128*64 dot matrix liquid crystal display, the display data is more intuitive and the reading is faster
Indicator display lock function, especially for the more accurate and faster reading during the transformer ratio test
Polarity measurement, automatic transformer polarity measurement, no need for separate test
New self-locking function
Automatic ratio detection function
II,Technical characteristics
1.Name and Classification
Name: HZ5373 3000A high current generator.
Environmental group: It belongs to the group III instrument in GB6587.1-86 "General Survey of Environmental Measurement of Electronic Measuring Instruments" (that is, it can be used in outdoor environments).
Input voltage: AC380V ±10%
Power: 30KVA
Output current: AC0~3000A stepless adjustable, panel with digital display ammeter
Output voltage:(> 10V
Output waveform: The output current is a standard sine wave with small glitches, which is better than the power system requirements index standard, and the ripple coefficient is less than 0.3%. Standard sine wave.
Measurement accuracy: (Using 0.2S grade material) The actual is about 0.3; each current can be smoothly and continuously adjusted, the accuracy is higher than 0.5. The current and voltage meter shows true and effective value, high accuracy and high stability.
Output current mode: true effective value is continuously adjustable;
Current stability: 0.2%
Structural form: one
Wiring method: according to requirements
Current stability: 0.2%;
Protection settings: overcurrent and overvoltage;
2.Operating
After the wiring is completed, you should check it again to see if there is a wiring error and whether the connector is in good contact.
During the test, if there is a fire, and there is no abnormality such as no display when starting up, immediately turn off the power and recheck the wiring.
During actual wiring, the current output terminal should form a loop, otherwise the instrument will not output current.
The current riser is provided with a random output wire; the output external copper wire is selected according to 10A/mm2. (Standard configuration is two 3-meter test lines)
The capacity of the equipment is designed for short-term work of 5 minutes. If it is used for batch testing, the working time should be less than 2.5 minutes. For temperature rise (30 minutes-24 hours), it should be prepared according to long-term working temperature rise.
From the date of purchase within one year instrument, is a product quality problem free repair replacement, lifetime supply of maintenance and technical services. The instrument has found anomalies or malfunctions please contact us to arrange the most convenient treatment options.