ZW32-24/630-20
24kV Auto Recloser
ZW32 series outdoor recloser are outdoor high-voltage distribution devices with rated voltage of 12KV-38KV and three-phase AC of 50Hz.It is mainly used for opening and closing the load current, overload current, short circuit current in power
24kv Outdoor Pole Mounted Auto Circuit Recloser
ZW32 series outdoor high-voltage vacuum circuit breakers are outdoor high-voltage distribution devices with rated voltage of 12KV-38KV and three-phase AC of 50Hz.It is mainly used for opening and closing the load current, overload current, short circuit current in power.
Reclosers are small circuit breakers located at the top of distribution poles and are typically used on very long distribution feeders.
Their function is to isolate a section of the feeder in fault or overload conditions and thereby minimize the number of customers without service. Since they act as small circuit breakers, they have the capability to restore power automatically in temporary fault situations, hence the name "recloser".
To further reduce the number of customers taken out of service in a fault condition, reclosers are "coordinated" with downstream fused cutouts and upstream substation circuit breakers.
For example, let's say a tree branch falls across a tapped single phase line in a residential community. Without a recloser between the fused cutout serving the tapped single phase line and the substation circuit breaker, the entire feeder would be affected. With a recloser present, only that portion of the feeder downstream from it would be affected.
Now, the recloser would operate (or open) and then reclose almost instantaneously. If the fault (tree branch on the line) is still present, the recloser would open again. This time it may be pre-set to wait a second or two before reclosing.
After reclosing, if the fault is still there and the fused cutout didn't blow during the last operation, the recloser would hold for a short while to give the fused cutout time to blow and isolate just the tapped single phase line. If it doesn't for some reason, the recloser would open a third time and "lockout".
At this point a lineman must be dispatched to inspect the problem and reclose the recloser manually.
Powint Electric strives to bring our customers the latest technology and competitive pricing and best service for distribution automation.
The ZW series automatic circuit reclosers can use on overhead distribution lines as well as distribution substation applications for all voltage classes 11kV up to 38kV at 50/60HZ power system. and its rated current can reach 1250A.
The ZW series automatic circuit reclosers integrates the functions of control, protection, measurement, communication, fault detection, on-line monitoring of closing or opening.
Powint Electric recloser can also be used as feeder protection in a new substation or replace existing switches.
The compact size, excellent switching capability, convenient busbar connection points as well as an optional substation frame stand of the ZW are will suited to simplify the substation design.
The rating current of substation type recloser up to 1250A, Breaking capacity up to 25kA.
With optional classes for rated current range:
For 12kV, with 630A, 20kA Breaking capacity. 800A, 20kA capacity, and1250A, 25kA.
For 15kV, with630A, 20kA Breaking capacity. 800A, 20kA capacity, and1250A, 20kA.scription
Outline of recloser:
The PW series vacuum recloser is mainly combined with integration terminal, current transformer, permanent magnetic actuator and its recloser controller. ·
The recloser tank feature:
The Vacuum recloser tanks are manufactured from 304 grade stainless steel and are powder coated a light grey colour.Whole recloser IP65 protection class, equipped with a auxiliary plug to connect with recloser controller by control cable, Diameter Max22mm,6 Mlength(8Mfor special). It can serve more than 20 years long term under heavy duty circumstance. ·
The recloser vacuum embedded pole feature:
The recloser’s vacuum interrupter insert in an epoxy resin solid pole, and external coated with a high reliable, stable material:Fluorocarbon silicone rubber (γ-trifluoro propyl methyl polysiloxane)