| 摘要 |
PCT No. PCT/IT95/00052 Sec. 371 Date Oct. 22, 1996 Sec. 102(e) Date Oct. 22, 1996 PCT Filed Apr. 10, 1995 PCT Pub. No. WO95/29408 PCT Pub. Date Nov. 2, 1995A system for the remote measurement of the protection ground associated with an electrical system, and which employs a telephone line for the transmission of the control signals and the results of the measurement. The system includes a centralized ground measuring device (1) having two reference grounds (11, 12) which are connected to the soil, a line selector (2) and remote actuators (3) which also include two ground terminals which are connected to the soil and which may be located near the region in which the measurement is required. |
