Mitsubishi Electric - Volt VAR Control (VVC) Systems

THE IMPORTANCE OF POWER QUALITY

Power quality refers to the level of consistency, reliability, and stability of electrical power. Any deviation from the expected levels of power quality can cause negative consequences, such as equipment damage or malfunction, system shutdown, and data loss.

Power quality has found a renewed interest due to changing power generation modes and consumption dynamics. The unprecedented growth in renewable sources at different voltage levels has increased the amount of power quality related issues. Consumption patterns have also seen a wide transformation due to unsynchronized and nonlinear loads added at multiple entry points along the power grid.

THE SOLUTION

The solution to these common power quality issues can be to install a Mitsubishi Electric Power Products, Inc. (MEPPI) PQC system, which will sense the voltage changes automatically and will inject or absorb reactive power to correct the voltage violation and restore balance. Our flagship product, the Power Quality Compensator (PQC) , is a ±1 MVA, 3 phase dynamic power conversion system that can operate in a 2 or 4 quadrant power control mode. 

With its flexibility, advanced features, and ability to run multiple operational modes simultaneously, the PQC is the perfect solution for improving power quality, stability, resiliency, and overall power grid reliability.

POWER QUALITY COMPENSATOR

• Dynamic reactive power response with output characteristic shaping and programmable droop controls
• Offers 2-quadrant and 4-quadrant operations
• Can provide Reactive and Real Power Response
• Advanced Voltage Regulation, Power Factor control, and Flicker and Harmonics mitigation capabilities
• Faster response time than an SVC, reactor banks, or load tap changers
• Standard software package and parameterized controls for applications
• Flexible SCADA communication using NDP3/Modbus TCP
• Interfacing with existing capacitor and reactor banks for improved feeder reactive power changes
• Fast and easy, turnkey installation using fully integrated steel skid assemblies

Offered as a response to distributed energy resource (DER) penetration on the distribution gird, as well as market segments not traditionally targeted by centralized transmission level solutions, MEPPI’s distribution PQC is a customized solution to meet utility and industrial power quality requirements. The PQC is comprised of a compact, advanced power converter to control and regulate bi-directional power flow and an advanced application-level controller capable of interfacing with a utility’s SCADA and feedback devices. The PQC is the perfect solution for improving power quality, stability resiliency, and overall power grid reliability.