Model AC Synchronous Generator

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ST series are mainly designed to serve as power generating unit of small capacity which supply electricity for lighting purpose in ships as well as for household electric devices used in towns or villages. The construction of this generator is of drip-proof, salient pole rotating field self-excitation and constant voltage type. The alternator inside is made of high quality electric magnet and electric materials. Stator insulation is of Class E (or B), rotor insulation is of Class B. The alternators are of harmonic wave self-excitation constant voltage system and automatic voltage control excitation constant voltage system, both of which have excellent dynamic characteristic performance, convenient and reliable operation. The voltage of the alternator is 240V or 120V if necessary, the frequency is 50Hz or 60Hz. Its operation mode is of continuous duty. The alternator can be coupled with a prime mover directly or through a V-belt, with 5% change of speed of the prime mover under load variation from 0 to 100% and from 100% to 0, at a voltage of 230V or 115V, 50Hz or 60Hz to get a satisfactory constant-voltage performance. STC series are to be used in towns, countryside, work sites, mountain districts and lands as an electric power source for lighting purpose. It can be also used as a reserved power source for emergent case. These generators are of drip-proof with rotary field type and with the adoption of harmonic excitation system, which allow your easy operation and simple maintenance. The generators are of three-phase four-wire type, making use of star connection. The rated line voltage is 400V, phase voltage is 230V, frequency is 50Hz, power factor is 0.8 lag. They can be coupled with a prime mover directly or through a V-belt, making right or reverse continuous rotation at the rated speed. When the revolution slip of prime mover is 3% and load varies in the range from 0 to 100% and from 100% to 0, cosΦ1.0 - 0.8 and cosΦ0.8 - 1.0. They give good constant voltage. After sudden change (increase or decrease) of load, generators will soon return to their normal working state. Without any stating devices generators can directly start an unloaded squirrel cage insulation motor. Specifications: 1) Ambient temperature: -15°C ~ +40°C 2) Altitude: no exceed of 1,000m 3) Relative humidity: no exceed of 90%

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fujian mindong electirc manufacturing co.,ltd.

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