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1)  zero-crossing trigger
过零触发
1.
The problems of the voltage fluctuation and degradation of the power factor in phase-shifting trigger have been solved with the technology of single-phase controllable silicon zero-crossing trigger in the temperature control system.
对液相外延温控系统和真空系统进行了全新的设计,温控系统运用单相可控硅过零触发技术,解决了移相触发技术中使系统电压畸变,功率因数下降的问题。
2)  zero-crossing triggering
过零触发
1.
To reject higher harmonic produced in process of temperature adjusting,a zero-crossing triggering technic is put forward.
介绍了恒温电热毯的硬件及其模糊控制系统,提出了过零触发技术,使得在调节温度过程中产生的高次谐波大为减少。
3)  zero crossing triggering
过零触发
1.
The AVR singlechip is used for the core of controller,the automatic compensation optimum control method is established based on reactive power compensation principle,the problem of thyristor switched wrong trigger is solved by the technology of zero crossing triggering,switched vibration i.
采用AVR单片机系统作为控制器的核心,从无功补偿原理出发,建立了自动补偿最优控制方法,采用过零触发技术解决了晶闸管投切误触发的问题,减少了投切振荡,动态响应速度快。
2.
In this article,the authors discuss how to implement the full automatic real time compensation of reactive power using several methods:a)applying "Power Trac" module,b)acguiring the system parameters,c)connecting/disconnecting the capacitors block based on the reactive power of the system by means of zero crossing triggering of SCR components.
应用 Power Trac模块 ,采集系统参数 ,根据系统的无功电流 ,通过可控硅元件过零触发技术 ,投入 /切除电容器组 ,以达到无功功率的全自动实时补
4)  zero-cross-over triggering
过零触发
1.
This article analyzed the principle of zero-cross-over triggering and introduced how to realize the software and hardware in the electric upsetting.
分析了过零触发电路的工作原理,介绍了过零触发电路在电镦机中加热电流的软硬件实现方法,并利用Labview进行了频谱分析。
5)  zero passage trigger
过零触发
1.
The system uses SPCE061A microprocessor to achieve temperature control,and it uses MOC3021 to achieve zero passage trigger.
由于该系统分别采用了SPCE061A微处理器实现温度控制和可控硅驱动器MOC3021实现过零触发,使得该系统具有较高的可靠性和自动化程度。
2.
The system use SOC microprocessor to actualize multi-channel temperature control,and it use DS1820 and MOC3041 to actualize temperature collection and synchronous zero passage trigger.
该系统采用了SOC微处理器实现多路相互独立的温度控制,采用数字式温度传感器DS1820和可控硅驱动器MOC3041实现温度采集和同步过零触发
6)  zero-crossing flip-flop
过零触发器
1.
In this article,the analog-digital chip A/D574A,the zero-crossing flip-flop and MCS-51 single-chip microcomputer are used as a main control system to detect the vibration of electromagnetic vibration feeder for transportation material.
介绍了以采用模数转换芯片A/D574A、过零触发器、MCS51单片机为主的控制系统对电磁振动给料机振幅的数据检测及处理方法。
补充资料:零息票债券;零券息债券
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