page_137

< previous page | page_137 | next page >

Page 137

| connecting two or three such modules in series, breakers capable of operating at 800 kV at 240 psi can be constructed, with two- to three-cycle interrupting time (Fig. 8-8). Installation and maintenance requirements of these breakers are less costly than for other types. |

| Figure 8-8 Modules in series in sulphur hexafluoride circuit breaker. (Courtesy, Westinghouse Electric Co.) |

< previous page | page_137 | next page >