hv造句
(1) Then, we need a way that can measure HV equipment's insulation effectively, credibly and conveniently.
(2) Replacing HV fuse should refer to the operation instruction of HV switchgear delivered with the product.
(3) Using HV single poly single metal(SPSM) CMOS DMOS(CD) technology developed by us, we experiment on a 1000V 3-phase power MOS gate driver circuit with C level shift structure successfully.
(4) Hydraulic mechanistic breakdowns of HV circuit breakers can threaten the safty of the power network seriously.
(5) In this paper, according to the test results, the functional relationship between the surface hardness value (HV)and the load for nitrided and nitrocarburized layer was studied by regression analysis.
(6) This paper presents a fault location algorithm for HV transmission line based on two - terminal asynchronous data.
(7) For the Hv the addition of a hole leads to the formation of a peroxyl bridge.
(8) This paper presents the design principle, constructional design, manufacturing process and test methods of MV/HV fire-resisting power cables.
(9) Conclusions HV has diagnosis value for absentia and psychomotor epilepsy.
(10) Supervising to perform operation and maintenance of HV, LV system.
(11) Methods: Sphenoidal electrodes and HV were done and the epileptiform discharges recording were analysed in 33 children who with normal or non-specific change EEG.
(12) Oilpaper capacity type wall bushing is used for insulation and fixed HV or EHV conductor that crosses the wallboard of building in power plant and substation mainly.
(13) The results of hardness test show that the crystalline diamond films Ta spinnerets are above HV 1000.
(14) Based on flux concentration technology and controlled by the DIGIVEX Drive range, the HV synchronous servomotors are designed for the spindle motorisation of conventional machines.
(15) The two recommended quantitative criteria for the renewal of HV circuit breaker in Japan are also covered in this paper.
(16) A thermorelay is used in the design, thus can make effective use of overload capacity of the HV motor.
(17) HV EFT generator is developed, which adopts switching mode power supply as HV DC power supply and hydrogen thyratron as switch.
(18) Efficiency test needs to be carried out in the performance test of HV frequency converter system, and the method for efficiency test in the performance test of frequency converter will be discussed.
(19) The paper proposes a method which corrects the angle of zero-sequence current in the algorithm of differential equation used for distance protection and fault location of HV transmission lines.
(20) Together with the real winding structure, its sectional winding current transfer function ratio of HV terminal to earth terminal is calculated.
(21) Lots of PSCAD simulations indicate it is a better selector with correctness for single-phase automatic reclosing in HV transmission line.
(22) The connecting wire used for the PD test of HV cables was improved based on the corona discharge theory in air medium.
(23) The principle of location of cable breakdown point by the HV bridge method is presented. The main factors affecting the location accuracy are analyzed in detail and tests are made using this method.
(24) It is one of the most important components in HV pulse modulator .
(25) This programmable control voltage divider is a secondary divider used for HV impulse test and an intelligent apparatus consisting of chip microprocessor AT89C51 and peripheral circuit.
(26) Infrared detection is an item in periodic detection and patrol inspection on HV electric equipments.
(27) The rectifier type FCL not only reduces the amplitude of short circuit currents but also changes their waveform which seriously affects the making and breaking capability of HV circuit breakers.
(28) The transformation ratio of the original current transformer (CT) on the transformer HV side was so large that a parameter for the differential protection software exceeded its settable scope.
(29) This article introduces real time thermal rating(RTTR)and water monitoring systems which are used in HV cable systems.
(30) So it is quite important for the XRFA system with X-ray tube excited resource that HV power supply has high reliability, good stability and automatic regulation.
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