Protection of bus-tie circuit breakers: long time delay overcurrent and instantaneous overcurrent.

汇流排联络断路器保护：长延时过流、瞬时过流保护。

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Delay time and synchronous technology which are the key technology of optical differential protection are introduced.

本文对光纤差动保护的关键技术——光纤传输的延时和同步技术进行了阐述。

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Protection against motor over - load usually adopt thermal relay, but protection against line over - load usually adopt long delay over- current release of circuit- breaker.

电动机过载保护通常采用继电器，而配电线路过载保护多采用断路器的长延时过电流脱扣器来完成。

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So it will be much cheaper for the uninsured to remain that way and pay the penalty, which will usually be much smaller than the cost of insurance, and then delay purchasing protection until they actually need healthcare.

FORBES: The ObamaTax Ensures Extraordinarily Expensive ObamaCare

The U.S. Senate is preparing to vote on legislation that would delay or block the Environmental Protection Agency from imposing carbon dioxide restrictions on the U.S. economy.

FORBES: The Senate's EPA Vote Will Help Determine Our Economic Future

The debate over air pollution and, more specifically, the regulation of air pollution, raged on this week as the Environmental Protection Agency (EPA) watered down its cross-state pollution rule and House Republicans moved to delay new rules on toxic air pollution from cement plants, solid waste incinerators, and industrial boilers.

FORBES: Two New Reasons to Worry about Air Pollution: Obesity and Diabetes