Generator neutral point is not grounded

When the generator is single-phase grounded, the grounding point only flows through the capacitor current of the other two phases of the system that is electrically connected with the generator. When this current is small, the arc at the fault point can be automatically extinguished, which can greatly improve the reliability of the power supply. . When the neutral point is not grounded and the capacitor current is less than 5 amps, the single-phase grounding protection only needs to use the additional voltage on the open side of the three-phase five-column voltage transformer to give a signal. The main disadvantage of the neutral grounding method is that the internal overvoltage is higher than the phase voltage multiple.

rubber volleyball

This is JYMINGDE rubber Volleyball.Volleyball ball has official weight and size which meet the standards of regulation gameplay for indoor and outdoor tournaments.Custom volleyball is available.Our factory mainly produces custom soft volleyball so we can custom design or logo on the volleyball for you.Yarns wound on bladder are dense and uniform.Long durability thanks to robust rubber composition.

Size Weight(g) Diameter(inch) Packing(pcs/ctn) Carton Size(cm) G.W./N.W.(kg)
Size 5 280-310 8.15-8.53 50 53*31*32 16/15


Jiangyin Mingde Sports Goods Co., Ltd. , https://www.mdsportsball.com