加拿大外贸
求助公司的翻译--急The ACCUVAR family of VAR controller consists of four products, with ACCUVAR as the base model, and the other three models with a host of value enhancing features. All the models are Microcontroller based, with designs that have been field proven for more than fourteen years. the main features of the VAR controllers are:
1. comprehensive polyphase Measurement
All the models are three phase measuring controllers, and hence need three CT inputs from the mains and also all the three phase and neutral connections. So, in addition to accurate control of VAR, these models also provide comprehensive electronical measurement. The parameters measured and displayed(depending on model selected) are all voltages, currents, power factor, all powers and all energies, average PF maintained since last reset and THD figures for voltages and currents.
2. Ease of installation
All the models have an autosense feature, which senses the sizes the sizes of the capacitor banks connected on each stage automatically. No need to programme C/K or bank sizes manually.
3. Low current operatation
Since there is no fixed sequence of switching capacitors, if very small capacitor banks are connected, these controllers sense down to 1% of the main load and take corrective action.
4. Data Logging
VARLOG, which is a 12 stage controller, also has on board RTC and 2Mbytes of non-volatile memory. Thus, it can log all relevant data like elctronical system snap-shot, banks in operation at that time, even data like overvoltages, trips etc. This is data can then be downloaded uesing the USB port on the back of the unit.
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