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    188宝金博页面版: PEC电气工程专业英语证书考试-Electricity Glossary

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    内容提示： PEC 电气工程专业英语证书考试?Electricity?Glossary? A ac - abbreviation for alternating current active power - see real power alternating current - an electrical current which reverses direction repeatedly due to a change in voltage which occurs at the same frequency. Often abbreviated AC or ac. alternator - an electric generator designed to produce alternating current. Usually consists of rotating parts which created the changing magnetic field to produce the alternating current. American National ...

    文档格式：DOC | 页数：11 | 浏览次数：17 | 上传日期：2015-04-11 10:41:26 | 文档星级：
    PEC 电气工程专业英语证书考试­Electricity Glossary  A ac - abbreviation for alternating current active power - see real power alternating current - an electrical current which reverses direction repeatedly due to a change in voltage which occurs at the same frequency. Often abbreviated AC or ac. alternator - an electric generator designed to produce alternating current. Usually consists of rotating parts which created the changing magnetic field to produce the alternating current. American National Standards Institute - a private organization that coordinates and/or approves some US standards, particularly those related to the electrical industry. Abbreviated ANSI. American Wire Gauge - A standard measure which represents the size of wire. The larger the number, the smaller the wire. Abbreviated AWG. ampacity - the maximum continuous current that a conductor can carry without overheating above its temperature rating. Ampere - electric current produced by one volt applied across a resistance of one ohm. It is also equal to the flow of one coulomb per second. Named after French physicist Andre M. Ampère 1836. ambient temperature - the surrounding temperature. Ampere-hour - the flow of electricity equal to one ampere for one hour. Commonly used to rate the capacity of batteries. analog - a measuring or display methodology which uses continuously varying physical parameters. In contrast, digital represents information in discrete binary form using only zeros and ones. apparent power - the mathematical product of voltage and current on ac systems. Since voltage and current may not be in phase on ac systems, the apparent power thus calculated may not equal the real power, but may actually exceed it. Reactive loads (inductance and/or capacitance) on ac systems will cause the apparent power to be larger than the real power. AWG - abbreviation for American Wire Gauge.

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