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Introduction to SNG and ENG Microwave by Jonathan Higgins

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Electrical hazards

As with any electrical equipment, electrical power has to be supplied to make the equipment function. It would be preferable if this power could be provided from low power batteries, hence minimizing hazards associated with electrical power. However, in general, microwave equipment needs more power than can be provided from batteries. Some small ENG trucks can be powered from batteries topped up from the vehicle alternator when the vehicle is driving, but it is more usual to use a generator.

In particular, the demand for primary supply power for an SNG uplink and all the associated equipment is quite high, even for a small system. Typically, an SNG uplink requires at least 3 kW, and large SNG systems require at least 6 kW. ...

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