IEC 62368-1 Test Generator , Impulse Test Generator Circuit 1 Of Table D.1.

Impulse test generator circuit 1 of Table D.1.

1950S pulse generator, is a test instrument for generating pulse signal and HVDC signal. This instrument is designed and manufactured according to Appendix N.1 of GB4943.1-2011 (IEC60950-1:2005,MOD) ( IEC62368-1-2018 ) standard. It simulates lightning interference in communication network and transient voltage in distribution system for all kinds of information technology equipment. It belongs to electrical safety test instrument and equipment. The 1950 S pulse generator is controlled by Panasonic PLC programmable controller (FP-X C14R).
All parameters and The working state of the instrument is displayed and set on the 7-inch color touch screen (TK6070iH) , and the menu interface between Chinese and English is provided.
The instrument also has over-voltage protection to ensure the safety and reliability of the instrument, and can be widely used in electrical safety testing laboratories and electronic and electrical manufacturing enterprises.

Parameter:
1. Test pulse waveform: 10/700uS
The waveform error is ±20%
The output pulse voltage is 0 ~ 4kV, which can be adjusted continuously
The accuracy of voltage digital display is ±5% ±3 words
2. Test pulse waveform: 1.2/ 50uS
The waveform error is ±20%
The output pulse voltage is 0 ~ 6kV, which can be adjusted continuously
The accuracy of voltage digital display is ±5% ±3 words
3. Charge and discharge time setting: 1 second ~ 999 seconds
4. Its accuracy is ±1%

5. Charge and discharge times set: 0 ~ 999 times
6. Its accuracy is ±1.
7. Output voltage polarity: positive and negative alternating switching
8. The partial voltage ratio of the monitoring output is 1 ≤ 1000
9. Overcurrent protection and overvoltage protection can be continuously set protection values
(in-machine adjustment settings)
10. Display and operation mode: 7 inch color touch screen (TK6070iH) display and menu interface
operation;
11. High voltage transformer power: 400VA

Note:
(1)The circuit in the figure above is used to generate pulse voltage, and the values of the components used are shown below. The starting state of capacitor C1 is charged voltage Uc.10/ 700 μ s (10 μs is apparent wavefront time, 700 μ s is apparent half peak time, its waveform is shown in figure 9, T1 is apparent wavefront time, T is apparent half peak time) pulse test circuit is used to simulate lightning interference in communication network.
(2)1.2 / 50 μ s pulse test circuit is used to simulate the transient voltage in distribution system.1.2 μs is regarded as the wavefront time, 50 μ s is the apparent half peak time.
(3)Pulse waveform refers to the waveform under open circuit condition, and the waveform is different under different load conditions. Since a large amount of charge is stored in capacitor C 1, you need to be
very careful when using these generators.

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