发明名称 |
MEANS FOR PROTECTING UNDERGROUND ELECTRICAL EQUIPMENT FROM THERMAL RUNAWAY |
摘要 |
<p>Underground electrical equipment such as a transformer or cable is prevented from thermal runaway by backfilling the trench in which it is laid with a soil which includes water entrapped in highly water-absorbent hydrophilic polymeric gel particles soaked with water. The water-soaked particles preferably are coated with a waterimpermeable film. The water may also be entrapped in liquid form in small balloon-like containers. Also, a water impermeable sheath may be formed around the back-fill soil to minimize evaporation from the particles.</p> |
申请公布号 |
CA1076495(A) |
申请公布日期 |
1980.04.29 |
申请号 |
CA19770285573 |
申请日期 |
1977.08.26 |
申请人 |
ELECTRIC POWER RESEARCH INSTITUTE, INC. |
发明人 |
PERRY, ELIJAH R.;ANGWIN, MEREDITH J.;RABINOWITZ, MARIO;SHIMSHOCK, JOHN F. |
分类号 |
H02G9/02;(IPC1-7):01B7/34 |
主分类号 |
H02G9/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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