Semi-active control is achieved by varying the electric current supplied to the coil, which changes the magnetization and allows for real-time tunability of the damping rate.
The ampere meter with the calibrated precision of 0.5% is used for reading electric current supplied to the heating surface, and a data acquisition system with the calibrated precision of 0.002% is used to measure the voltage across the heating surface.
This refractometer is designed for laboratory use and requires alternate current for its operation hence it is not suitable for field measurements in the case of lack of AC electric current supply.
Electric current is supplied to the consumer as either single phase or 3-phase AC with a frequency of 50 or 60 Hz, that is, 50 or 60 oscillations per second.
The synchronous electric clock has no timekeeping properties in itself and is wholly dependent upon the frequency stability of the alternating current supplied.
Other starting methods involve auxiliary equipment and include admitting blasts of compressed air to an air-activated motor geared to rotate a large engine's flywheel; supplying electric current to an electric starting motor, similarly geared to the engine flywheel; and applying a small gasoline engine geared to the engine flywheel.
In HINT, the energy consumption parameter is deduced from the measurement of the electric current at power supply wire of the sensor node.
A dynamo supplies electric current, which is controlled by a rheostat.
In a diesel-electric locomotive, for example, the diesel engine is the prime mover, which drives the electric generator, which, in turn, supplies electric current to the motors that drive the wheels.
The first arrangement is the conventional pyramid-styled multi-stage TE cooler, in which the supplied electric current is uni-directional with the top stage of the unit being the coldest.
