序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
1 有功电能 CN201610768104.6 2016-08-29 CN106370905A 2017-02-01 杨文寿; 李海威; 王海涛; 吴涛; 何智昆
一种有功电能表,包括电流传感器,与三相电线路连接,用于对三相电力线路中的电流信号进行大小转换,输出相对于三相电力线路中的电流信号较小的微电流信号;电压传感器,与三相电力线路连接,用于对三相电力线路中的电压信号进行大小转换;支撑片上开有若干用来置入竖直状联结条的竖直向的开口,所述开口中置入竖直状联结条,所述支撑片四周边上连接的竖直片体围绕而构成嵌接口,所述嵌接柱连接着嵌接进嵌接口中并同竖直片体相过盈配合的柱状体;有效避免了制冷效率低、外部液体侵袭时也容易渗透进柜体中造成危险和湿度加大的危害、支撑台不牢靠、稳定性不佳、费时费力、支撑片和竖直片体常常发生脱落的缺陷
2 Analog to pulse rate converter US467889 1974-05-08 US3942110A 1976-03-02 Miran Milkovic
A bipolar C-MOS analog to pulse rate converter is disclosed which provides a pulse train at its output having a frequency which is proportional to the magnitude of an analog input signal over a wide dynamic range. An analog input signal is integrated until the output of the integrator reaches a threshold level. A threshold detector generates a signal when the threshold level is reached which signal is coupled to a JK flip-flop. The JK flip-flop changes its state to thereby provide an output pulse and at the same time provide a switching pulse for coupling a DC reference source to the input of the integrator for resetting the integrator to a reference level. The flip-flop is then reset and the integrator again integrates the analog input signal to initiate a second cycle. Since the output frequency of the converter is dependent upon the time required for the output of the integrator to reach the threshold level, the output frequency is directly proportional to the magnitude of the input signal to the converter.
3 JPS50159368A - JP5394575 1975-05-07 JPS50159368A 1975-12-23
4 고전압 직류 송전 시스템 및 그의 제어 방법 KR1020140057389 2014-05-13 KR1020150130161A 2015-11-23 손금태; 박호환
본발명의실시예에따른고전압직류송전시스템은교류전력을직류전력으로변환하는송전파트와직류전력을교류전력으로변환하는수전파트및 상기송전파트에서변환된직류전력을상기수전파트에전달하는직류송전파트를포함하고, 상기송전파트및 상기수전파트중 어느하나는유효전력을계산하는유효전력계산부와상기측정된유효전력에기초하여전압기준보정값을출력하는유효전력제어부와출력된전압기준보정값 및상기직류송전파트의직류전압에기초하여유효전력을제어하는전력제어부를포함한다.
5 단일극 연결형 전력계측장치와 전력계측장치의 통신 방법 KR1020170029236 2017-03-08 KR101887348B1 2018-09-06 송기홍
본발명은단일극연결형전력계측장치를이용한부스바의전압, 전류, 전력의계측에있어서계측정확도를개선하는방법에관한것으로서, 보다구체적으로유효전력의효율을나타내는역률의정확도개선회로및 방법, 인접부스바로흐르는전류로부터발생되는자기장을차단하는자기장차단물질등을포함한단일극연결형전력상태계측장치의계측정확도를개선하는것이다. 단일극연결형전력계측장치란산업용분전반에있어서부스바의주선또는지선을통해공급되는교류전원의 R상, S상, T상및 N상의개별위상별로전력상태를측정하고공급되는교류전원의상태를표시할수 있는단일극연결형센서를이용하여부스바의전력을계측하는장치이다. 기존의단일극연결형전력계측장치에서전류를특정하는데사용하는센서중에서홀 효과센서는외부로부터유입되는자기장의영향에취약하여인접한회로의수에따라계측정확도가달라지므로필터를추가하여인접부스바의전류영향을줄이는것이다.
6 실시간 직접 위상검출방식에 의한 디지털 전력 및누전제어계전시스템 KR1020080045219 2008-05-15 KR1020090119282A 2009-11-19 김경섭
PURPOSE: A system for controlling an electric leakage and a digital power using a real-time direct phase detecting method is provided to calculate an effective leakage current without a separate arithmetic function. CONSTITUTION: A leakage current is detected through a zero phase current transformer. An effective leakage current is calculated in a zero phase current in which a leading current of a distribution line and the effective leakage current are synthesized. A maximum value of the effective leakage current is directly calculated by reading an output current of the zero phase current transformer in a voltage zero point. The zero phase current transformer is used in detecting the effective leakage current. An effective leakage current detecting principle of the leakage current detecting mode and a power protecting device are formed into one platform. A system for controlling an electric leakage and a digital power is progressed based on a web by a real-time direct phase detecting mode.
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