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ELECTRICITY Section 1 - Introduction
ELECTRICITY Section 1 - Introduction

... and reach the ground or a conducting path that is connected to the ground. Some materials offer such a high resistance to the flow of electricity that the current cannot force its way along them; they are then said to act as insulators. Others that offer little resistance are said to be good conduct ...
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... When the switching frequency of the rectifier is 10 kHz, the control method applied in Fig. 4(a) generates a new symmetrical carrier that has a frequency of approximately 20 kHz. This is approximately twice the primary-side switching frequency. Alternatively, according to Fig. 4(b), an inverter carr ...
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... Helmets are no longer produced with lamp brackets, the Lynx follows the modern trend of having a bracket designed to fit directly to the helmet. For this you will need to drill 2 holes using the bracket as a template. The bracket is designed so as to evenly distribute the strain on the helmet so as ...
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Voltage optimisation

Voltage optimisation is a term given to the systematic controlled reduction in the voltages received by an energy consumer to reduce energy use, power demand and reactive power demand. While some voltage 'optimisation' devices have a fixed voltage adjustment, others electronically regulate the voltage automatically.Voltage optimisation systems are typically installed in series with the mains electrical supply to a building, allowing all its electrical equipment to benefit from an optimised supply.
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