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The air compressor needed about 4,500 kW (6,000 hp) to push the air into the combustion chamber (air pressures of 1 to 3 kgf/cm 2 (0.098 to 0.294 MPa; 14 to 43 psi), depending on the turbine rotation speed), where the fuel was injected and burnt, leading to an expansion of the gases, which, with a temperature of 500 °C (932 °F) to 600 °C ...
One compressor generally stabilizes the dynamic range while the other aggressively compresses stronger peaks. This is the normal internal signal routing in common combination devices marketed as compressor-limiters, where an RMS compressor (for general gain control) is followed by a fast peak-sensing limiter (for overload protection). Done ...
The industrial compressor overload is a capacity limit and requires high power levels to pass the high flow rates required. [31] Excess power is available to inadvertently take the compressor beyond the overload limit to a hazardous condition on cold days if it is driven by a gas turbine. [32] [33] [34]
The selection of over-current-protection devices such as fuses and circuit breakers is made more complicated when high inrush currents must be tolerated. The over-current protection must react quickly to overload or short-circuit faults but must not interrupt the circuit when the (usually harmless) inrush current flows.
Unlike a thermal fuse, a thermal switch is usually reusable and is therefore suited to protecting against temporary situations which are common and user-correctable. Thermal switches are used in power supplies in case of overload, and also as thermostats, and overheat protection in some heating and cooling systems. They are found in virtually ...
Contactor with overload relay. A magnetic starter is an electromagnetically operated switch which provides a safe method for starting an electric motor with a large load. . Magnetic starters also provide under-voltage and overload protection and an automatic cutoff in the event of a power fai
Each motor controller in an MCC can be specified with a range of options such as separate control transformers, pilot lamps, control switches, extra control terminal blocks, various types of thermal or solid-state overload protection relays, or various classes of power fuses or types of circuit breakers.
Magnetic couplings offer protection against overload during operation. If the load on the driven component becomes too large, the two parts may slip out of sync and end the transmission of torque. This avoids damage to the system, protecting both the motor from excessive loads and the driven component from deformation.
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