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Capacitor Banks
Capacitor banks, also known as power factor correction units or reactive power compensation systems, are essential assemblies of capacitors designed to improve the power factor in electrical installations. These units typically consist of multiple capacitor cells, often with ratings from 5 kvar to 100 kvar per step, configured in star or delta c...
Capacitor banks, also known as power factor correction units or reactive power compensation systems, are essential assemblies of capacitors designed to improve the power factor in electrical installations. These units typically consist of multiple capacitor cells, often with ratings from 5 kvar to 100 kvar per step, configured in star or delta connections for three-phase systems (3P or 4P). They operate at standard voltages like 400V, 480V, or 690V AC, with frequency ratings of 50/60 Hz. Capacitor banks include built-in discharge resistors for safety, and may feature detuned reactors (e.g., 7% or 14% tuning factor) to mitigate harmonic resonance. The enclosures are typically rated IP20 to IP54 for indoor or outdoor use, with automatic controllers for dynamic switching.
Capacitor banks are deployed in industrial and commercial power distribution systems, including main switchboards, motor control centers (MCCs), and substations. They are critical in sectors like manufacturing plants (e.g., automotive, steel, cement), data centers, hospitals, and renewable energy farms (solar and wind). These units reduce reactive power demand from the grid, minimizing voltage drops and improving system stability. They are also used in harmonic-sensitive environments, such as variable frequency drive (VFD) applications, where detuned filters are essential.
Key subcategories include fixed capacitor banks, automatic capacitor banks (with controller and contactor switching), and detuned filter banks. Common article codes follow patterns like "CB-400-50-7%" indicating voltage (400V), kvar rating (50), and tuning factor (7%). Main articles include the "CAPBANK-400-100" for 100 kvar automatic units, "DETBANK-690-200-14%" for detuned systems, and "FIXBANK-480-25" for fixed compensation. These codes often include suffixes for enclosure type (e.g., "-IP54") or controller model.
Our service provides express worldwide shipping for capacitor banks, ensuring fast delivery to any industrial site. We offer personalized technical support from specialized engineers who assist with sizing, harmonic analysis, and commissioning. Each product includes detailed technical documentation, real-time pricing, and access to a multilingual portal for seamless procurement.
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