The active MST Series Compensation Board draws attention with the following advantages:
Easy to maintain and install thanks to the modular structure of the cassettes inside.
Thanks to the Asset VCB series capacitors, it has 1.18 x Vn and 1.50 x In surge voltage and current resistance.
The highly efficient cooling system in the cabinet allows to reach 500 kVAr with 5 cassettes per pan.
Condensers are protected against harmonics by harmonic filter reactor located in cassettes.
The rapid change of the active power value taken by the load brings about the rapid change of the current. It is very disadvantageous to carry out the switching operation with the contactor which is a mechanical switching element in the facilities where there is an increase or decrease in current flow. In systems where the current changes rapidly, the mechanical elements are subjected to mechanical forces during switching, which causes burning and sticking of the contactors. Again, a system that can charge capacitors at the same speed is needed to be able to respond to rapid change in reactive power. The solution to this problem is to use the thyristor produced from semiconductor materials as the switching element.
Based on the extreme equations of the capacitors, the capacitor impedance decreases with increasing frequency. The harmonics that come into play due to the effects of various harmonic sources, the way that the impedance is the lowest, ie the capacitors, the over current and the voltage drop on the capacitors. However, the increase of the resonant effect current and voltage distortion which may be caused by the existing harmonics in the system causes damage to the sensitive loads as well as damage caused by the compensation system. It is necessary to use a harmonic filter reactor to prevent these failures and harmonic accumulation on the capacitor.
Asset MST series Thyristor compensation panel is a real time reactive power compensation system using static switches. The Asset MST series also provides harmonic filtration because of its harmonic filter reactor, which keeps itself from harming the system due to harmonic loads and load harmonics generated by sudden load pulses.
Asset MST series Thyristor compensation Panels, PLCs, industrial type computers etc. , Industrial robots, cranes, spot welders or stitch welders, variable speed drives, etc.). Has been developed to solve reactive energy balance and energy quality problems in complex industrial processes where very high speed devices are used in large numbers. Asset MST series Thyristor compensation systems are a "true and fast" reactive power compensation system suitable for this new generation of devices.
Active MST Series Compensation Panels | Working logic
The operating logic of active MST Series Compensation Panels is as follows:
Automatic c / k setting and step power detection
Intelligent commissioning and disassembly in response to reactive need
Sequence independent operation
Equal-time usage of stages
Separate cosφ setting for mains and generator
Automatic and manual operating modes
Active MST Series Compensation Panels | Technicial Specifications
Active MST Series Compensation Panels have the following technical characteristics:
Nominal Voltage: 440 V
Nominal Frequency: 50/60 Hz
Continuous Over Voltage: 520 V
Continuous Overcurrent: 1,5 In
Standard Serial Cord Frequencies: 189 Hz, 210 Hz, 215 Hz (other optional frequencies)
Ambient Temperature: -10 ... +45 ° C
Storage Temperature: -30 ... +60 ° C
Color: RAL 7035 / RAL 9003
Monitoring: Stages, Voltage, Current, cosφ, Active Power, Reactive Power