Ht Automatic Voltage Stabilizer
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h.t. automatic voltage stabilizers are used to get stable input voltage, irrespective ofthe voltage variations received from electricity authorities. additionally, these stabilizersalso prevent the transformer and other electrical equipment from getting overloaded.wide voltage variation ranges are taken care continuously and in on load condition. thevariations of more than ± 1% of the rated output voltage are sensed through solid staterelay. this relay operates on 230 v, 1ø supply and sends signals to the stabilizer’smotor, which drives the roller mechanism in a direction to bring voltage to the ratedoutput voltage. construction h.t. automatic servo voltage stabilizers have helical coils mounted on a conventionallaminated core. carbon rollers are assembled on a fiber glass carrier board and aretraverse to the length of the coil track. the rollers are connected to the electric outputterminals. nearby the regulating coil, a number of compensating winding is connectedin parallel, which are short circuited to reduce the effect of core-flux fringing. it alsokeeps the reactance of the regulator constant at any position of the rolling contact. advantages utilization of the distribution transformer is to its full capacity as the h.t. avr shares the load of the transformer and the connected load. losses are less as the incoming voltage either low or high is corrected at the initial stage only. fluctuations in the h.t. supply are not passed on to the distribution transformer. installation cost is less in comparison to l.t. automatic servo voltage stabilizer, for higher ratings. single unit of h.t. automatic servo voltage stabilizer can be connected to more than one distribution transformer. economical for huge capacities like 2500 kva and above or for wide voltage fluctuation range (eg. 8 kv – 13 kv, 28 kv – 36 kv etc.) can be placed anywhere on the feeder line. motor fitting is external, so any change of the motor or motor shaft can be easily done without opening the top cover. output voltage of h.t. avr remains constant at any connected load and up to fullload. response time for voltage correction is 20 micro seconds.
Automatic Voltage Stabilizer
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Special Features Easy to install, operate, maintain & service. Intelligent memory time delay function between shut down & restart to safeguard your equipments. Hi-Low voltage cut off to protect dangerously Hi and Low voltage in mains supply to equipments. The corrector generates least heat & is extremely efficient. Fully digital IC controlled circuit for correct switching and optimum voltage output selection. Minimum electricity consumption on no load condition saves on electricity bills. Hi-tech digital meter to display voltage, Amps & over load.*
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Automatic Stabilizers
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Automatic Stabilizers, Uninterrupted Power Supply, Inverters