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CS101 test system and method for eliminating AC power frequency interference

A test system, AC power frequency technology, applied in the direction of measuring electricity, measuring devices, measuring electrical variables, etc., can solve problems such as flooding of injected signals and inability to perform accurate measurements, and achieve the effect of ensuring accuracy and solving power frequency voltage interference

Pending Publication Date: 2021-04-30
广电计量检测(成都)有限公司
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  • Abstract
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Problems solved by technology

[0003] However, during the CS101 test, the injection level of the EUT power port needs to be monitored, and the AC (50Hz / 60Hz / 400Hz) power frequency voltage (>100V) used for EUT work also exists in this port. The problem that the injected signal (up to about 6.3V) is submerged by the power frequency voltage and cannot be accurately measured

Method used

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  • CS101 test system and method for eliminating AC power frequency interference
  • CS101 test system and method for eliminating AC power frequency interference
  • CS101 test system and method for eliminating AC power frequency interference

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Embodiment Construction

[0028] In order to make the purpose, features and advantages of the present invention more obvious and understandable, the specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings. Several embodiments of the invention are shown in the drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the present invention will be thorough and complete.

[0029] It should be noted that when an element is referred to as being “fixed on” another element, it may be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," "u...

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Abstract

The invention relates to a CS101 test system and method for eliminating AC power frequency interference, and the system comprises a coupling transformation assembly and a monitoring assembly which are electrically connected with a controller through a control bus, and the coupling transformation assembly comprises a coupling transformer which is connected with a signal generator through a power amplifier; the monitoring assembly comprises a measurement receiver which is connected with two ends of a tested device through a high-resistance voltage probe, and the tested device is connected with a power supply through a coupling transformer. According to the CS101 test system for eliminating the AC power frequency interference, the AC power frequency interference can be eliminated, the accuracy of the test is ensured while the standardized test is realized, and the actual application requirements are met.

Description

technical field [0001] The invention relates to the technical field of self-equipment for electromagnetic compatibility testing, in particular to a CS101 testing system and method for eliminating AC power frequency interference. Background technique [0002] CS101 Power Line Conduction Susceptibility is a required test item in the MIL-STD-461 standard. Its purpose is to test the ability of the EUT (equipment under test) to withstand the signal coupled to the input power line. Under the condition of pulsating voltage, ensure that the performance of the equipment is not degraded. [0003] However, during the CS101 test, the injection level of the EUT power port needs to be monitored, and the AC (50Hz / 60Hz / 400Hz) power frequency voltage (>100V) used for EUT work also exists in this port. The problem that the injected signal (up to about 6.3V) is submerged by the power frequency voltage and cannot be measured accurately. Contents of the invention [0004] In order to solv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/00
CPCG01R31/00
Inventor 李贤灵文晓强
Owner 广电计量检测(成都)有限公司
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