设备培训 500kv GIS的结构原理培训.ppt

circuit breaker elk sp3 circuit breaker elk sp3 puffer piston principle interrupter unit elk sp3 closedextinguishopencommutate puffer piston principle circuit breaker elk sp3 for the operation rod of the circuit-breaker 1sf6-gas 2impact seal for the open position 3seal for axial movement 4impact seal for the closed position closed position open position 1 2 3 4 double sealing system type: hmb8 piston stroke: 205 mm switching sequence: o-co-1min-co or co-30sec-co mounting position: vertical / horizontal disk spring assembly: 16 x 485 mm weight (total operating mechanism) : 468 kg cb operating mechanism hmb8 high pressure part differential piston operating principle low pressure part cb operating mechanism hmb8 high pressure part low pressure part cb operating mechanism hmb8 charging module (hmb8) pump motor gear oil gauge hydraulic pump unit oil drain control module (hmb8) changeover valve pilot valves - two opening valves - one closing valve throttle screws open/close high-pressure test connector monitoring module (hmb8) spring limit switch with rotating shaft spring tension indicator pressure release valve disconnector elk t.3 elk te3 elk tx3 elk tv3 elk tw3 overview of types disconnector contacts disconnector and earthing switches disconnector earthing switch fast-acting earthing switch maintenance earthing switch elk em3 with operating mechanism and earthing bridge across the isolation maintenance earthing switch elk em3 fast-acting earthing switch elk eb3 with operating mechanism and earthing bridge across the isolation fast-acting earthing switch elk eb3 voltage transformer elk pi3 current transformer elk cb3 surge arrester elk az3 connecting elements elk .3 vx vw vt vl vg/vi connecting bus elk vg3 flange joints elk-3 with insulator with insulator and grease-nipples flange connection with grease-nipple for outdoor application insulator elk i.3 partition support insulator ig3io3 insulator bus connection elk-3 lateral dismantling unit elk vq3 compensating units elk-3 expansion compensator elk bd3 parallel compensator elk vp3 corrosion protection elk-3 type of paint paint layers indoorsoutdoors designation normalextremenormal extreme cast and stainless 1 cover layer c51 cover layer c5 1 basic layer b4 1 cover layer c6 1 basic layer b4 1 interm. layer c8 1 cover layer c6 encapsulations main features: selfcleaning silicon rubber sheds alternating sheds high creepage distance main insulation by sf6-gas field grading electrode absolutely explosion proof high safety for staff no secondary damages seismic proof high resistivity against sandstorm low weight maintenance free bushing elk hb3 with composite insulator main features: porcelain insulator alternating sheds high creepage distance resin impregnated paper core capacitor layers for electric field control compressible filling explosion proof high safety for staff no secondary damages maintenance free bushing with porcelain insulator bushing elk h.3 hd rakf with porcelain insulator hb3 with composite insulator cable connection elk hk3 limit of supply transformer connection elk ht3 limit of supply sf6 gas monitoring mollier diagramme 550 kv circuit-breaker other compartments filling pressure alarm pressure blocking pressure