[Photo] Grid voltage fault protection indication circuit

At the technology exhibition, the SiC, GaN, and three levels brought by Shiqiang will let your efficiency reach the highest point. How to use the secondary output filter to prevent the switching power supply noise ceramic vertical mount package (CVMP) soldering precautions and What are the common small-signal mathematical modeling and loop compensation design for layout DC-DC converters?

Concerned about electronic enthusiast WeChat

Interesting and informative information and technical dry goods

Download Enthusiast App

Create your own network of contacts

Focus on the enthusiast classroom

Lock in the latest course activities and live technology
Collection People collection
share it:
comment
Publish

related suggestion

Oil level indicating circuit made of light emitting diode

For the early production of motorcycles without fuel indication, an oil level indicator assembled with light-emitting diodes and the like is now available, and the driver can grasp the amount of oil in a timely manner.

Published on 2012-02-13 09:33 • 724 readings
Oil level indicating circuit made of light emitting diode
Ultrasonic level gauge indicating circuit

This circuit is superior to the general contact type liquid level display circuit and has higher precision. Because the ultrasonic wave is not affected by the concentration and conductivity of the liquid to be tested...

Published on 2011-08-29 09:41 • 1033 readings
Ultrasonic level gauge indicating circuit
Battery charge and discharge indicating circuit

By adjusting RV1 and RV2, it can be determined whether the yellow/green and red/yellow LEDs are dark or bright. Thus it can be seen that the circuit is made...

Published on 2011-08-01 15:25 • 2021 readings
Battery charge and discharge indicating circuit
Tuning indicating circuit

A light-emitting diode is mounted at each end of the tuning disk. Which LED is turned on, the tuning indicator is removed from it, and when both are turned off, it...

Published on 2011-08-01 15:20 • 1388 times reading
Tuning indicating circuit
Phase sequence indication circuit schematic

The phase sequence indicating circuit schematic phase sequence is an extremely important parameter of the three-phase AC power supply. The phase sequence of the three-phase AC power connected to the three-phase induction motor...

Published on 2009-12-26 17:33 • 670 readings
Phase sequence indication circuit schematic
Electric quantity indicating circuit used on electric vehicles

Electric quantity indicating circuit used on electric vehicles

Published on 2009-12-14 15:59 • 8058 readings
Electric quantity indicating circuit used on electric vehicles
Lithium core capacity indicating circuit

Lithium core capacity indicating circuit The circuit design of this system adopts a relatively simple and practical method, that is, by testing the time and voltage of lithium core battery discharge...

Published on 2009-11-25 09:29 • 581 readings
Lithium core capacity indicating circuit
Passive LED output level indicating circuit

The passive LED output level indicating circuit passive LED output level indicating circuit is shown in Figure 10-11. It consists of a power output stage...

Published on 2009-09-19 17:31 • 1726 readings
Passive LED output level indicating circuit
LED power supply indicator circuit

LED power supply power indicator circuit LED power supply indicator circuit as shown in Figure 10-10, the circuit C1 and C2 start buck and...

Published on 2009-09-19 17:31 • 688 readings
LED power supply indicator circuit
Semiconductor radio tuning indicator circuit

Semiconductor Radio Tuning Indication Circuit The semiconductor radio tuning indicator circuit is shown in Figure 10-9. When tuning is accurate, the AGC voltage is the most...

Published on 2009-09-19 17:30 • 808 readings
Semiconductor radio tuning indicator circuit
DC low voltage fuse blow indication circuit

DC low-voltage fuse blowing indication circuit DC low-voltage fuse blowing indication circuit as shown in Figure 10-8, it consists of two LEDs VD2...

Published on 2009-09-19 17:30 • 300 readings
DC low voltage fuse blow indication circuit
Toy model road sign indicating circuit

Toy model road sign indicating circuit

Published on 2009-02-13 12:21 • 232 readings
Toy model road sign indicating circuit
Photoelectric indicating circuit

Photoelectric indicating circuit

Published on 2009-02-05 15:39 • 213 times reading
Photoelectric indicating circuit
LED tuning indication circuit

LED tuning indication circuit

Published on 2009-02-05 15:36 • 211 readings
LED tuning indication circuit
Power phase sequence indicating circuit

Power phase sequence indicating circuit

Published on 2009-02-05 15:36 • 238 readings
Power phase sequence indicating circuit
Var check_allow = "/d/Api/iscantalk.html"; var add_url = '/d/article/write/'; function CheckLogin() { now_uid = ''; var ElecfansApi_checklogin = '/webapi/passport/checklogin'; var Logout_url = "{:U('Login/logout')}"; var logout_url = 'http://bbs.elecfans.com/member.php?mod=logging&action=logout&refer=front'; $.get(ElecfansApi_checklogin, function (data, textStatus) { if (data != "") { EchoLoginInfo(data); CheckEmailInfo(data); data = $.parseJSON(data); now_uid = data.uid; /*var login_content = ' Write article
'+data.username+'
Exit ';*/ var login_content = ' Write an article
' + data.username + '
Set exit '; $('#login_area').html(login_content); var win_width = $(window).width(); if (win_width > 1000) { $("#mine").mouseDelay(200).hover (function () { $("#mymenu").show(); }, function () { $("#mymenu").hide(); }); } } else { var content = 'Login registration'; $('#login_area').html(content); $(".special-login").click(function (e) { $.tActivityLogin(); return false; }); } }); } $(function () { //Comment ------------------------------- var comment = $("#comment"); var comment_input = $("#comContent"); //Submit comment click event interaction $("#comSubmit2").on('click', function () { var content = comment_input.text(); //Clear the input box comment_input. Html("").focus(); //Submit data to server $.ajax({ url: '/plus/arcComment.php', data: { aid: $("#webID").val(), dopost : 'apiPubComment', content: content }, type: 'post', dataType: 'json', success: function (data) { //Returned data format: if (data.status == "successed") { // Construct a temporary comment DOM var dom = ''; dom += '
'; dom += ' '; dom += '
'; dom += '

' + data.data.username + ''; dom += '

'dom += ' ' + content + ''; dom += ' '; dom += ' just '; dom += ' '; dom += ''; //insert temporary comment to list $("#comment ").append(dom); } if (data.status == "failed") { //alert( data.msg ); layer.msg(data.msg); } } }); return false; }); (function () { /* * Insert single sign-on JS * / var setHost = 'https://passport.elecfans.com'; //Set the domain name var script = document.createElement('script'); script.type = 'text/javascript'; script.src = setHost + '/public/pc/js/t.passport.js'; script.setAttribute("id", "sso_script"); script.setAttribute("data-ssoSite", setHost); script.setAttribute("data-ssoReferer", encodeURIComponent(location.href)); script.setAttribute("data-ssoSiteid", "11"); var body = document.getElementsByTagName("body").item( 0); body.appendChild(script); })() /* * Recommended article without style modification * */ $(".article .thumb").each(function () { if ($(this). Find('img').attr('src') == "") { $(this).find('img').remove(); $(this).parent().css('padding-left ', '0px'); } }); /*百度分享*/ Window._bd_share_config = { common: { bdText: '', / / ​​custom share bdDesc: '', / / ​​custom share summary bdUrl: window.location.href, / / ​​custom share url address bdPic: '' } , share: [{ "bdSize": 60, "bdCustomStyle": true }] } with (document)0[(getElementsByTagName('head')[0] || body).appendChild(createElement('script')). Src = 'http://bdimg.share.baidu.com/static/api/js/share.js?cdnversion=' + ~(-new Date() / 36e5)]; var add_url = '/d/article/ Write/'; // var check_allow = "{:U('Api/iscantalk')}"; var check_allow = "/d/api/iscantalk"; var click_items_length = $('.art_click_count').length; if ( Click_items_length > 0) { var id_str = ''; $('.art_click_count').each(function () { id_str += $(this).attr('data-id') + ','; }) // Var url = "{:U('Api/getclickbyids')}"; var url = "/d/api/getclickbyids"; var id_data = 'id_str=' + id_str; $.ajax({ url: url, data: Id_data, type: 'post', dataType: 'json', success: function (re) { if (re.list.length >= 1) { var list = re.list; for (var i in list) { var t Emp_id = list[i]['id']; var temp_span = $(".art_click_count[data-id=" + temp_id + "]") temp_span.html(list[i]['click']); } } } }) } $("#comContent").click(function () { if (now_uid == '') { $.tActivityLogin(); return false; } }) $(function () { var follow_wrap = $( ".author-collect"); var now_uid = "{$_super['uid']}"; var face_src = "{$_super['uface']}"; var getFollowNum = $(".followNum strong"). Html(); //Follow $(window).on('click', '.author-collect', function () { if (now_uid == '') { $.tActivityLogin(); return false; } if ( $(this).attr('id') == 'follow') { $.post('/d/user/follow', { tuid: article_user_id }, function (data) { //Returned data format: if (data.status == "successed") { $(".followNum strong").html(++getFollowNum); follow_wrap.html('has been').attr('id', 'cancelFollow').css( 'background', '#999'); var follow_user = ' $('#follow_list').append(follow_user); } if (data.status == "failed") { alert(data.msg); } } ); } else { //Unfollow if ($( This).attr('id') == 'cancelFollow') { $.post('/d/user/cancelFollow', { tuid: article_user_id }, function (data) { //Returned data format: if (data .status == "successed") { follow_wrap.html('Follow').attr('id', 'follow').css('background', '#f90'); $(".followNum strong"). Html(--getFollowNum); $('#follow_list .face').each(function () { var target_uid = $(this).attr('data-uid'); if (target_uid == now_uid) { $( This).remove(); } }) } if (data.status == "failed") { alert(data.msg); } } ); return false; } } }); }); }); /* Var myface = "{$_super['uid']|avatar}"; var myname = "{$_super['username']}"; var article_id = {$article['id']}; var article_user_id = {$ Article['mid']};//Article author ID $(function () { < notempty name = "clearnum" > //Reduce the number of reminders var count = parseInt($("#noticeCount").html()); Count = count - {$clearnum}; $("#noticeCount").html(count); if ( Count