Current Transformers
20,000 - 200,000 Per Piece
as high accuracy is required for measurement purpose and high operating values required for protection purpose, these two functions are met distinctly in a current transformer by providing metering core and protection cores separately with different functional properties. now a days in view of high cost production of electrical energy, utilities specify very high accuracy class such as 0.5s & 0.2s (as per established standards) which measure energy accurately at a value as low as 1% of the transmitted current. we at suman controls manufacture the class of cores also.design we at suman, depending on customer specification, manufacture two type designs.live tank design & dead tank design. we also meet the customer requirement of provision to select different ratios on different cores. the ratio of can be selected on primary side selection secondary side selection and a combination of the above two. construction of current transformer in addition to the above, a current transformer, being a series element has to withstand large dynamic forces and high thermal stresses during short circuit currents appearing in the lines at the incidence of a faults on the main lines to help clearing of such disturbance as early as possible. adequate short circuit tests have been conducted on our current transformers. we also under take to conduct these tests on specific request from buyers. insulation high voltage, impulse and partial discharge tests to determine the quality of insulation between primary and other parts have been specified by standards to ensure the quality of insulation between primary and other parts. high quality insulation paper is used for main insulation of the ct between primary winding and secondary winding. in case of ehv current transformers, the insulation will be segregated and sectionalised with introduction of semi conducting tape in between to see that the voltage distribution is uniform thus avoiding high level of electrical stresses. to eliminate dust settlement on the insulation during the process of manufacture endangering insulation, entire process of insulation is carried out in dust free chambers.
Current Transformers
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We are acknowledged as one of the prominent Current Transformer Manufacturers in the country. Our range of High Voltage Current Transformer includes both HT Current Transformer and LT Current Distribution Transformer. A Current Transformer is a type of Instrument Transformer that is designed to provide a current in its secondary form which is accurately proportional to the current flowing in its primary. Steps of current flowing : Primary Current : Primary current is the load of the current transformer, is the measured current. Secondary Current : Is the range of current outputs Insulation Voltage : Insulation that current transformer provides when connected to a power source Accuracy Class : Is the degree of certainty with which the measured current agrees with the ideal value VA Burden : Is expressed in Volt-Ampere (VA) the product of the voltage applied to a circuit and the current. Type of Encapsulation : Tape Wound Enclosure (ABS/PC) Resin Cast Features : Highly durable Fabricated of optimum quality raw materials Abrasion resistant High performance based
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