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GGJ power distribution reactive compensation integrated Switchgear
Normal service conditions of switchgear as follows: | |
Ambient temperature: | |
Maximum | +40°C |
Maximum 24 hour average | +35°C |
Minimum (according to minus 15 indoor classes) | -5°C |
Ambient humidity: | |
Daily average relative humidity | less than 95% |
Monthly average relative humidity | less than 90% |
Earthquake intensity | less than 8 degree |
Height above sea level | less than 2000m |
Product Features:
• Tracking the changes of the reactive load of the system by the
controller, taking the power factor and reactive power as
criterion, switching automatically and reasonably, lessening the
switches, avoiding the problem of switching vibration and reactive
power delivery. Thus, the power factor of the system can keep in
optimum conditions. The switching mechanism is optional, there are
3 ways to choose from, contactor switching, SCR switching, and load
switch switching, you can choose one of them to meet the
requirements of switching mechanism in different power grid
environments
• With operation mode of muti loop switching, which effectively
avoids the problem of too frequent switching of individual
capacitors during packet switching. Automatic fast tracking of
reactive power changes to achieve optimal control
• Power saving effect is obvious, the power factor can be increased
to more than 0.9 Multiple compensation modes: Three-phase common
compensation, three-phase dispersion compensation, common
compensation+dispersion compensation. Choosing the compensation
mode reasonably according to the actual situation of the power
grid, and taking the effect and cost of compensation into account.
Fully resolve the contradiction between the reactive power
compensation and the three-phase imbalance, as well as the
contradiction between the three-phase separate compensation and the
cost. Adopting the three-phase common compensation mode, of which
the effect is good and the cost is low, for the three-phase basic
balanced system. For the three-phase seriously unbalanced system,
the mode of three-phase separate compensation is adopted to
effectively solve the problem of over-compensation and
under-compensation, the cost is higher. As for the three-phase
slightly unbalanced system, using the mode of the common
compensation+dispersion compensation, to avoid the problem of over-
compensation and under-compensation, and the cost is relatively
low.