This device is connected in parallel on the power supply circuit of the loads that it has to protect see fig. Never coil or push aside excess length.
China 20ka 40ka Dc500v Solar Dc Spd For Solar System Photos
Dc spd connection diagram. The surge protection device spd is a component of the electrical installation protection system. Dc spd for ongrid inverter. Confirm that the spd is correctly rated for the system to which it is to be connected to. Pv combiners get installed as shown in figure 11 5. J17it can also be used at all levels of the power supply network. Measure l n l g l l and n g of the ac system.
Both leds in the spd should glow blue as a sign that voltage is present in system spd is connected correctly and working and the system is protected. Apply voltage to spd. It is characterized by its capacity to safely discharge current with 820 µs wave form. Solar spd for gridtie inverters. 600vdc spd for solar power plants. Dc spd for solar dcdb.
Connection leads should be cut to minimum possible length. Solar type 2 spd. Rooftop solar dc spd. Dc systems measure from positive and negative input. China surge protector device surge arrester spd surge protection dc1000v dc 500v find details about china surge protector device dc spd from surge protector device surge arrester spd surge protection dc1000v dc 500v xinchi electric co ltd. Ovr type 2 and type 23 are designed to protect electric installations and sensitive equipment against indirect surges with ensuring a low protection level up.
12 dc connect the red wire to pv and the black wire to pv or battery minus. Out load as shown in fig.