The abnormal failure of battery which works as the backup power supply for DC system when ac power failure occurs, will affect the safe operations of DC system seriously.
蓄电池作为直流系统交流停电时的后备电源，其非正常失效严重影响了直流系统的安全运行。
A fault tree can be developed to evaluate the impact of the failure of a control system component and to ensure that safe conditions are maintained.
可通过故障树分析及评估控制系统部件失效所产生的影响，确保始终维持安全状态。
Study of distribution system risk level aims to provide safe and reliable power supply, and to show the adverse impact on users by power system failure.
配电系统风险评估的研究目的是向电力用户提供安全可靠的电力供应，并且显示出系统发生故障给用户带来不利影响的程度。
This paper analyses the failure modes and problems when working and safety brakings in existent hydraulic station. A highly reliable hydraulic system was developed from safe and reliable angles.
分析了现有矿井提升机制动装置液压系统的故障模式以及工作制动和安全制动时存在的问题，从安全可靠性的角度出发，提出了一种高可靠性液压系统。
As backup power supply of the DC system, the residual capacity of battery effected safe operation of DC system directly when ac power failure occurs.
蓄电池作为直流系统交流停电时的后备电源，其剩余容量直接影响了直流系统的安全运行。
Power system, seals, hydraulic pipes are imported, safe and reliable, failure rate is low.
动力系统、密封件、液压管路均原装进口，安全可靠，故障率低。
The has the advantages of low cost, strong applicability and low failure rate, and is compatible to the control system of the prior belt feeder and is safe and reliable; the market prospect is wild.
本实用新型具有成本低、适用性强、故障率低、可与现有皮带机控制系统兼容、安全可靠等优点，市场前景广阔。
The has the advantages of low cost, strong applicability and low failure rate, and is compatible to the control system of the prior belt feeder and is safe and reliable; the market prospect is wild.
本实用新型具有成本低、适用性强、故障率低、可与现有皮带机控制系统兼容、安全可靠等优点，市场前景广阔。
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