In accounting, liabilities are obligations of the company to transfer something of value (an asset-see above) to another party. On a company s balance sheet, a liability may be a legal debt or an accrual, which is an estimate of an obligation. Equity is the owner's value in an asset or group of assets.
A stable variable power supply with an adjustable output voltage from 5 volts to 30 volts can be
A variable speed drive takes the electric power from the feeding. network at the standard network frequency. In the rst stage the. alternating current (AC) is recti ed to direct current (DC) in a rectier. unit. This rectier can be either a diode bridge or a thyristor bridge, depending on the drive system.