首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
电子热继电器
摘要
本实用新型涉及一种电子热继电器,包括电流取样电路、电压互感器隔离电路、有源精密半波整流放大电路、三相平均值电路、三相峰值检波电路、电流调节电路、反时限电路、电压比较放大电路、关断执行电路,其特征是该电子热继电器还包括三相不平衡保护电路和非过载放电电路。是一种热继电器更新换代产品,适用于三相电动机过载、断相、三相不对称短路以及其他造成三相电流严重不平衡保护。
申请公布号
CN2279025Y
申请公布日期
1998.04.15
申请号
CN94245583.5
申请日期
1994.11.28
申请人
乐清市正存电子开关厂
发明人
王正存
分类号
H02H7/08
主分类号
H02H7/08
代理机构
代理人
主权项
1、一种电子热继电器,它主要由:电流取样电路、电压互感器隔离电路、有源精密半波整流放大电路、三相平均值滤波电路、三相峰值检波电路、电流调节电路、反时限电路、电压比较放大电路、关断执行电路、直流电源等部分组成,其特征是:在三相平均值滤波电路、电流调节电路、电压比较放大电路之间设置三相不平衡保护电路;在反时限电路两端并接非过载放电电路。
地址
325600浙江省乐清市建设东路111弄5号
您可能感兴趣的专利
SELF-ALIGNED MAGNETIC TUNNELING JUNCTION AND VIA CONTACT
METHODS AND COMPUTER SYSTEMS FOR PROVIDING OR SETTING ACCESS OF A USER TO RESOURCES IN A COMPUTER SYSTEM
SALVIANOLIC ACID B
INFORMATION CARRIER
COMBINATION OF AMINOSUGARS AND CYSTEINE OR CYSTEINE DERIVATIVES
PERFORMING OF AN UPDATE IN A PROGRAMME-CONTROLLED DEVICE AND PROGRAMME CODE THAT CAN BE EXECUTED IN A WEB BROWSER
METHODS AND REAGENTS FOR LIVE-CELL GENE EXPRESSION QUANTIFICATION
SYSTEM FOR IMPROVED POWER SAVINGS DURING FULL DTX MODE OF OPERATION IN THE DOWNLINK
HUMAN KIDNEY TUMOR OVEREXPRESSED MEMBRANE PROTEIN 1
PROTEINS ASSOCIATED WITH CELL GROWTH, DIFFERENTIATION, AND DEATH
METHOD AND DEVICE FOR IDENTIFYING DEVICES CONNECTED TO A COMMUNICATION NETWORK
STORED VOICE MESSAGE CONTROL EXTENSIONS
DIAGNOSTIC AND SCREENING METHODS FOR BLADDER CANCER
METHOD FOR IMPROVED DIE RELEASE OF A SEMICONDUCTOR DEVICE FROM A WAFER
CEILING GRID SYSTEM AND METHOD OF ASSEMBLING THE SAME
INTEGRATED RAM AND NON-VOLATILE MEMORY CELL METHOD AND STRUCTURE
A METHOD AND SYSTEM OF OPERATING A CODED OFDM COMMUNICATION SYSTEM
A DISPLAY APPARATUS
A COMPUTER SYSTEM AND METHOD USING MASS SPECTROMETRY DATA AND A PROTEIN DATABASE FOR IDENTIFYING UNKNOWN PROTEINS
REDUCING ORIENTATION DIRECTIVITY AND IMPROVING OPERATING DISTANCE OF MAGNETIC SENSOR COILS IN A MAGNETIC FIELD