残压
- residual voltage
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通过大量的实验以及Cadence电路仿真,验证了该信号SPD具有较好的滤波功能,且在电涌电流冲击测试下能够有效地将残压限制在设备耐受的范围内。
Through a large number of experiments and the Cadence circuit simulation , it verified that the signal SPD had filter discrimination . And under the impulse tests of surge current , it can effectively limit the residual voltage within the tolerance which the device can take .
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R-C阻容吸收器作为四星型接法MOA的后备保护器,解决了四星型接法MOA实际存在的放电分散性使保护灵敏度下降问题,改善了过电压波形,降低了避雷器的残压。
In actual operation , discharge dispersivity of the four-star connection MOA would reduce sensitivity of protection . R-C absorption device as a spare protector of the four-star connection MOA solved the above problem , improved waveform of the overvoltage and reduced residual voltage of a lightning rod .
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ZnO压敏电阻的残压特征
On Residual Voltage Characteristics of ZnO Varistors
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结果表明,Sb的挥发率以及Sb和Pb的直收率随还原温度、还原剂碳量和还原时间的增大而增大,随残压的增大而明显减小;
The results show that the volatilization rate of antimony and the direct recovery rate of antimony and lead increases with the increasing temperature , reductant mass , and time , and that decreases obviously with the increasing residual press .
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对真空碳热还原的热力学进行了分析,在此基础上研究了还原温度、还原剂量、残压和还原时间等条件对Sb的挥发率以及对Sb和Pb直收率的影响。
Based on thermodynamics analysis , the effect of technical conditions such as temperature , reductant mass , residual press , and time on the volatilization rate of antimony and the direct recovery rate of antimony and lead was investigated in details .
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结果表明:含汞10-4~10-6的酸性锌锰干电池,在300℃和系统残压为35~500Pa的条件下,真空处理3h,残渣含汞量可低于10-6。
Results show that under the condition of the total chamber pressure of 35-500 Pa , temperature of 300 ℃, the concentration of mercury in waste acid zinc-manganese cell can be decreased to a level lower than 10-6 after being treated for 3 h.
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对MOV在陡波大电流作用下的残压波形和波头过冲现象进行了对比。
2 / 5 and 0.7 / 1.5 , and anlyses the electrical models under steep front waves , then the residual voltage waveforms and voltage overshoot of MOV subjected to steep front waves have been compared .
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从理论上分析了TSC系统中晶闸管关断后电容器上残压和晶闸管对两端的电压,并据此提出了设备选型时需注意的问题。
A theoretic analysis was made on residual voltage of capacitors and voltage of two ends of silicon control pairs after switching-off of the silicon control in the TSC system . Points for attention were given in selection of the equipment according to the above state .
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新型低残压金属氧化物避雷器的研制与应用
Development and Application of Metallic Oxide Arrester with Lower Residual Voltage
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利用矩阵变换求解电力系统短路故障的残压变换法
A residual voltage transformation method for short-circuit current calculation with matrix transformation
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计算二维自由面势流的残压反馈方法
Residual pressure feedback method for the simulation of flow with free surface
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基于短路故障残压变换法的暂态稳定计算
Transient Stability Calculation Based on Residual Voltage Transformation Method for Short-circuit Faults
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感应电动机失电残压的研究及其对重合过程的影响
The research of the residual voltage of induction motor after dumping and its influence during restoration
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氧化锌压敏电阻片冲击大电流残压特性的研究
Study on the Characteristics of the Residual Voltage of the ZnO Ceramic Varistor at the Heavy Impulse Current
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当系统残压小于临界压强时,铋的蒸发由热迁移过程控制。
The distillation is controlled by thermomigration when the system residual pressure is less than the critical pressure .
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提出新型切换装置应具备快速切换、同期捕捉切换、残压切换功能。
And the new transfer equipment has such function : high-speed , synch capture switch and residual voltage switch .
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重点介绍了发电机的残压测频、单片机串行显示和频率计数实现方法。
The realizing methods of remain_voltage measuring frequency , single_chlp microcomputer serial display and frequency counting are emphatically presented .
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慢速切换判据只需母线残压低于设定的最大允许残压。
While the slow transfer criterion is only the bus residual voltage being less than the set maximum permissible residual voltage .
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失电残压在有些情况下是可以利用的,本文对利用失电残余电压诊断异步电机转子绕组故障进行研究。
However , RVACD can be utilized in some cases , diagnosis of rotor winding for asynchronous motor is researched by RVACD .
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利用异步电动机的准确数学模型,对异步电动机断电时定子绕组的残压进行了计算机仿真;
The paper simulates the residual voltage of stator winding during the break period on the basis of accurate mathematical model for induction motor .
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分析厂用电切换时施加在电动机群上的电压,即母线残压的变化过程;
This paper analyses the change process of the voltage applied on the motor groups-the residual voltage in generatrix when the house supply is transfered .
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那些在冰冷的淡水环境潜水的潜水员也可能在水下有过同样的经历。而在那个时刻,如果气瓶残压较低,发生漏气意外足以致命。
Those who dive in cold freshwater can experience a similar effect while underwater , and that can be life-threatening if air reserves are low .
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残压计算为自动二次重合闸装置的设计人员提供了理论依据,也是分析异步电动机电容制动过程的基础。
The computation of residual voltage offers the theoretical foundation to the design of automatic secondary reclose , and it is also the analysis basis for capacity braking .
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本实用新型公开了一种轨道电路分路残压定压测试器。
The utility model discloses a residual pressure and fixed pressure tester of rail circuit shunt , comprising a fixed pressure shunt fixture and a data display device .
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经分析可知,在短路电流不同、残压不同的情况下,会发生一相馈线断路器跳闸而另一相不跳闸的现象。
It is understandable after analysis that one phase feeder circuit breaker may trip and another will not due to the different short circuit current and different residual voltage .
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根据气动平衡系统所需功能,设计了压力控制设定、载荷切换控制、执行控制、失压保护和残压释放等功能模块;
All kinds of function modules of pneumatic balance circuits have been designed such as air press regulation , loads switch , execution control , decompression protection and residual pressure exhaust .
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针对目前采用分路线测试残压产生压力小,易造成测试误差的问题,研制开发了一种新型轨道电路分路残压定压测试器。
Aim at the problem of the pressure small , easily test error of adoption shunting line test residual press , develop a new track circuit shunt - residual press fix tester .
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金属氧化物避雷器作为电力系统过电压保护的主要电器,其保护特性非线性电阻片的残压决定。
As the main appliance for overvoltage protection in electric system , the characteristic of Metal Oxide Surge Arresters ( MOA ) is decided by the unit residual voltage of non linear resistance .
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研究了应用真空法脱除废锌锰干电池中汞的可能性及规律性,并探讨了温度、系统残压、蒸馏时间及破碎形式对脱汞效果的影响。
The possibility of removal mercury in waste dry cells by a vacuum system was studied , and the effect of temperature , residual pressure and distilled time on the course of the elimination of mercury was investigated .
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铁路信号设备需要适合于铁路特定要求的专用防雷保安器。铁路电源设备专用防雷保安器应当无劣化现象,在雷击损坏时为开路模式,必须为可插拔结构和有较低的残压。
Railway signaling equipment requires dedicated lightning protectors and the protector for railway power supply should not be of low quality , in open failure mode when damaged by lightning , of pluggable construction , and with lower residue voltage .