PLC在航油供应控制系统中的应用 自动化毕业论文范文格式_论文天下网 关键词 可编程控制器; 变频器; 恒压; 水击 [gap=1782]Keywords PLC ; The converter ; Constant voltage ; Water is hit
基于424个网页-相关网页
变频器主调、软启动器后备的恒压供水控制系统的应用---物流行业应用案例-物流行业频道-中国自动化网 关键词: 变频器;软启动器;切换;恒压;水泵 [gap=701]Key words: Converter;soft starter;Switching;Constant pressure;Pump
基于378个网页-相关网页
恒压器 manostat ; barostat ; pressostat ; pressurestat
恒压阀 constant pressure valve
恒压电源 [电] constant voltage power supply ; [电] constant voltage source ; constant-potential supply
恒压充电 [电] constant voltage charge ; constant-voltage charging ; constant potential charge ; PWM
恒压源 steady voltage source ; constant voltage power supply ; Constant Source ; [电] constant voltage source
恒压恒频 CVCF ; constant voltage constant frequency
恒压变压器 [电] constant voltage transformer ; CVT
恒压供水 constant pressure water supply ; water supply of constant pressure ; Isobarically Water Supply ; water supplying with constant pressure
恒压电动机 constant voltage motor ; voltagemotor
The simulation has confirmed the control policy of constant voltage frequency ratio and the electrical machinery torque characteristics on the voltage entire compensation.
仿真验证了恒压频比控制策略及其电压全补偿下电机转矩特性。
参考来源 - 六脉波双变量交交变频器高频控制方法的研究A complete platform for the test of the intelligent arc welding power is built in this research. The constant current characteristic and constant voltage characteristic, both static characteristic and dynamic characteristic are tested.
搭建了完整的智能弧焊电源实验平台,对电源的恒流、恒压特性(包括静态特性和动态特性)进行了详细的测试,还对送丝系统进行了测试,获得了控制量与送丝速度的对应关系。
参考来源 - 智能弧焊电源的优化控制及其专家系统The control system has been applied to a large chemical plant successfully. It also can ensure the constant pressure of water-supply and the prominent effect of energy-saving.
该控制系统性能稳定可靠,已成功用于某大型化工企业的供水系统,取得了很好的恒压供水效果,节能效果显著。
参考来源 - 基于PLC的供水系统变频节能的改造Under the constant pressure and quality airspeed, changing the temperature to determine the conversion rate and selectivity.
6.恒压、液空速恒定条件下,改变反应温度,测定甲醇转化率、二甲醚选择性。
参考来源 - γ·2,447,543篇论文数据,部分数据来源于NoteExpress
过滤操作是在恒定的压差下进行,称为恒压过滤。
Filtration operation is in constant pressure differentials, called the constant pressure filter.
好,我画的就是一个恒压量热计,其中进行一个反应。
OK, so this, what I've sketched here would be a constant pressure calorimeter. There's a reaction.
所以这两者也相等,这告诉我们在恒压下微分,等于。
So, these two are equal to each other as well which tells me that this derivative, Cp dH/dT constant pressure is Cp.
Because we did work at constant pressure, and so it's just volume difference times pressure.
因为是在恒压下做功,所以功就等于体积变化乘以压力。
This is just an equality. I have a constant pressure dH process. This term here is equal to zero.
这是一个等式,这是个恒压过程,这项等于零,这意味着。
So, these two are equal to each other as well which tells me that this derivative, Cp dH/dT constant pressure is Cp.
所以这两者也相等,这告诉我们在恒压下微分,等于。
应用推荐