Current transformers: the use of the transformer primary, secondary current is proportional to the characteristics of steel. It works, but also with the general transformer equivalent circuit the same, but its primary winding in series with the circuit under test, and rarely turns; secondary windings connected meter relay coil current low-impedance load, the approximate short circuit. Primary current (ie, the measured current) and secondary load current depends on the test line, regardless of the current transformer secondary load. Due to the secondary side is close to a short circuit, so the primary and secondary side voltage U1 and very small, very small excitation current I0. Current transformer operation, the secondary does not allow open. Because once open, have become the primary current excitation current, flux and the secondary voltage much higher than normal and endanger the safety of persons and equipment. Jinan high-voltage transformers and therefore Which is better? Current transformer secondary circuit fuses must not take, do not allow it at runtime without removing the meter bypass, relays and other equipment. Current transformer wiring connected load by running their requirements OK. The most common wiring for single-phase, three-phase star and incomplete star. Clamp Transformers: clamp current transformer is a precision current transformer (DC sensor) high-voltage transformer Weihai Which is better? , Is designed to measure electricity use spot metering feature of the design. The series transformer selection of high permeability material, high precision. Linear optimization. Anti-interference ability and so on. Direct bus or busbars grip without the use of a power outage cut line is very easy to use. It can be used with a variety of measuring instruments, meter field calibrator, multifunction power meter, oscilloscope, digital multimeter, clamp-on ground resistance tester double, double clamp-phase voltammetry table, etc., can continue to the next power-up state power, a variety of electrical parameters were measured and compared. Qingdao high-voltage transformer Which is better? High voltage transformers, power is supplied by the Xi'an Huayi Huayi power plant. Xian Huayi power plant (www.xahy.com) strong, credible, in Xi'an high-voltage circuit breakers and other industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Huayi power and you hand into the brilliant, for a better future!