The thunderstorm weather, lightning protection measures of o
Many customers reflected in thunderstorm weather generator set control mode piece of easy damage, especiallyUsers need to use outdoors, orIs used in base station remote monitoring of generator easier being struck by lightning.Meet the bad weather will involve the lightning protection devices, such as changing with lightning protection design generator controller LXC7920. LXC7920 generator control module is through the high precision automation design and production of electronic control, built-in have included the jewels data-aware controls the method of lightning protection.Control module has jewels data-aware controls and the method of lightning protection grounding protection unit, can very good lightning protection.But when encounter strong thunder, or need toOur good lightning protection measures for generator.
Determine the generator main means of lightning protection should be according to the size of the generator capacity, the strength of the local lightning activity and the requirement of power supply reliability.Theory and practice has proved that after generator transformer connected to the overhead transmission line again, as long as reliably protect the transformer, generally don't need the generator, and lightning protection measures, in a minefield, particularly important generator without straight overhead wiring, so as to prevent transformer high voltage side of thunder electric wave after endanger the insulation of the generator, transformer should be installed on the outlet of the generator a set of magnetic blow arrester.
Directly connected to the overhead distribution lines of generators to lightning protection, should be designed according to the national standard norms, according to the different conditions of generator insulation different lightning protection measures.
Stand-alone capacity of 300 ~ 1500 kw rection motor, should adopt the protection wiring for overvoltage protection of figure 6.9.Stand-alone capacity of 300 kw and under high pressure rection motor, according to the specific conditions and operating experience, appropriate USES figure 6.10 (a) the protection of the wiring, also can adopt the way of figure 6.10 (b), only in line door installed a set of lightning arrester and capacitor, and installed on the pole near the hushai grounding protection gap or insulator feet.Individual important protection wiring of motor can be used in figure 6.9.
Protect the high pressure rotary motor using lightning arrester, generally USES magnetic blow arrester, lightning arrester should be installed near the generator.In general, lightning arrester can be installed in the electrical outlet;Such as pick in each set of generator is not more than two on the bus, or stand-alone capacity of less than 500 kw, and with the distance of the surge arrester is not more than 50 m, lightning arrester can also be installed in each group on the bus
When rection motor neutral point can lead to, and not directly grounded magnetic blow or ordinary valve should be installed on the neutral type arrester.
Outdoor use generator it is important to note that lightning protection equipment, ensure personal safety.