CN105068037B - 一种测试外部网路阻抗对电能表通信接口输出电压影响的方法 - Google Patents
一种测试外部网路阻抗对电能表通信接口输出电压影响的方法 Download PDFInfo
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Address after: 100031 No. 86 West Chang'an Avenue, Beijing, Xicheng District Patentee after: STATE GRID CORPORATION OF CHINA Patentee after: STATE GRID HEBEI ELECTRIC POWER Research Institute Patentee after: STATE GRID HEBEI ENERGY TECHNOLOGY SERVICE Co.,Ltd. Address before: 100031 No. 86 West Chang'an Avenue, Beijing, Xicheng District Patentee before: State Grid Corporation of China Patentee before: ELECTRIC POWER SCIENCES RESEARCH INSTITUTE OF STATE GRID HEBEI ELECTRIC POWER Co. Patentee before: HEBEI ELECTRIC POWER COMMISSIONING INSTITUDE |
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Effective date of registration: 20211013 Address after: 100031 No. 86 West Chang'an Avenue, Beijing, Xicheng District Patentee after: STATE GRID CORPORATION OF CHINA Patentee after: Marketing service center of State Grid Hebei Electric Power Co.,Ltd. Patentee after: STATE GRID HEBEI ELECTRIC POWER Research Institute Patentee after: STATE GRID HEBEI ENERGY TECHNOLOGY SERVICE Co.,Ltd. Address before: 100031 No. 86 West Chang'an Avenue, Beijing, Xicheng District Patentee before: STATE GRID CORPORATION OF CHINA Patentee before: STATE GRID HEBEI ELECTRIC POWER Research Institute Patentee before: STATE GRID HEBEI ENERGY TECHNOLOGY SERVICE Co.,Ltd. |