а√天堂中文在线资源bt种子,菠萝蜜视频app,亚洲精品日韩一区二区电影,蜜臀AV人妻久久无码精品麻豆

AC source power & DC source power manufacturing factory

Test Application on AC Contactor

AC contactor is a switching device which uses electromagnetic force and spring elastic force to connect and break contacts to control the on-off of load circuit. It is suitable for frequent operation and long-distance control. It is an important component of automatic control circuit system. With the growth of national economic demand and power industry, the demand for AC contactors continues to grow, and competition is increasingly fierce. In order to ensure product quality, the testing of AC contactors is particularly important.

Following will take AC contactor test requirements as an example to introduce AC contactor test scheme in detail.
Before starting the test, we first understand its working principle: when the AC contactor's attraction coil is electrified, the static iron core produces electromagnetic attraction, the armature is absorbed, and the connecting rod connected with the armature drives the contact action, so that the normally closed contacts are disconnected, and the often open contacts are closed, both of them are linked, and the contactor is in the electrified state; When the coil is cut off, the electromagnetic suction disappears, the armature is released under the action of spring, which makes the normally closed contacts closed, the often open contacts disconnected, and the contactor is in a state of power loss.

The client test requirements are as follows: 

1. ON/OFF test: Set ON/OFF AC voltage (rated voltage), starting angle 90 degrees, termination angle 0 degrees, ON/OFF twice, and finally OFF.            
2. Characteristic test: setting voltage (rated voltage), starting angle 30 and termination angle 90 and output ON. Read peak current immediately, delay 500 ms, read and maintain current, maintain power consumption, and finally OFF.           
3. Suction voltage test: first set the suction start voltage (20% of rated voltage), output to ON, then every 200 ms, the voltage rises in accordance with 5V step up to suction, read the suction voltage, and finally output OFF.            
4. Release Voltage Test: First set the release starting voltage (rated voltage), output to ON, set the release voltage (rated voltage 68%) and then every 200 ms, the voltage descends according to 5V step to read the release voltage after release; finally output the OFF.

Among them:
Test requirements 1,2, can be achieved by the panel setting function of ADMIRE POWER standard AC power supply APA1000 series . This function can be set voltage, frequency, starting phase angle and terminating phase angle. The range of setting phase angle is 0-360.

Test requirements 3,4, can be achieved through the ADMIRE POWER standard AC power APA1000 series power supply internal test group, the function can be set up 35 test points to set the starting voltage value, termination voltage value, step voltage value, start frequency, termination frequency and single step time, so that the power supply voltage and time Frequency varies in a step-by-step fashion. If the 35 test points are not enough, the intelligent AC power supply APA2000 series (touch screen display) can provide five test groups, each of which has 35 test points, and each test point can set different voltage, frequency and time.

Recommend Products
Online service
Service Hotline
86-769-89616802
86-13602353727

TECHNIC

SERVICES
高潮喷水的网站| 久久精品无码一区二区APP| 潮喷取精10次gay在线观看| 国产精品爆乳在线播放| 午夜视频在线瓜伦| 内射后入在线观看一区| 伊人成伊人成综合网222| 午夜婷婷精品午夜无码A片影院| 少妇一晚三次一区二区三区| 8x国产精品视频| 欧美freesex呦交| 亚洲人成网亚洲欧洲无码| 久久国产成人免费网站| av潮喷大喷水系列无码| 亚洲成a∧人片在线观看无码| 天堂中文最新版www| 男ji大巴进入女人的直播| 欧美又大又黄又粗又长A片| mm1313亚洲国产精品| 成人免费精品网站在线观看影片| 青青久久久久精品亚洲AV中文| 久99久热只有精品国产女同| 亚欧乱码卡一卡二卡新| 日韩av无码一区二区三区不卡毛片| 狠狠躁夜夜躁人人爽天天不| 影音先锋最新av资源网站| 国产一区二区三区色噜噜| 亚洲精品国产品国语在线app| 野花社区日本最新中文| 最近更新2019中文字幕电影 | 神马午夜影院| 蜜臀精品国产高清在线观看| 好男人社区在线www| 永久免费观看美女裸体的网站| 国产做无码视频在线观看浪潮| 少妇无力反抗慢慢张开双腿| 天堂av在线| 国产jizz中国jizz免费看| www久久只有这里有精品| 野花社区在线观看高清视频| 成人女毛片视频免费播放|