| Brand | ROCKWILL |
| Model NO. | High‑Voltage Open rack capacitor banks |
| Rated voltage | 800kV |
| Capacity | 19 MVAr |
| Series | RBank |
The equipment adopts single‑phase capacitor units mounted on hot‑dip galvanized steel racks. The capacitor units can be installed vertically and are normally mounted horizontally to fully utilize the advantages of compact structure.
Capacitor units are connected in series and parallel to achieve the required rated voltage and power rating. According to the available space at the installation site, the steel racks can be stacked with necessary insulators installed between them, or arranged side‑by‑side.
An unbalanced‑protection current transformer is normally supplied as standard when parallel‑unit quantity reaches standard configuration. Internally fused, externally fused or fuseless structures are available depending on the voltage and power level of the equipment.
The product is certified in accordance with EMC Directive 2014/30/EU. For safety protection, insulated wires and anti‑bird caps can be equipped.
Compact structure with flexible installation, supporting horizontal and vertical arrangement
Hot‑dip galvanized steel racks, corrosion‑resistant and durable for harsh outdoor environments
Series‑parallel combined design, customizable voltage and power ratings
Racks can be stacked or arranged side‑by‑side to fit various installation spaces
Standard unbalanced‑protection CT for reliable operational protection
Multiple protection structures available: internally fused, externally fused and fuseless types
Certified to EMC Directive with excellent electromagnetic compatibility
Optional insulated wires and anti‑bird caps to enhance outdoor operation safety
| Parameter | Value |
|---|---|
| Output rating | 1 Mvar and above |
| Voltage | 1‑800 kV |
| Frequency | 50 or 60 Hz (Others available on request) |
| Bank connection types | Single Y Double (Y‑Y) Bridge connection for grounded system (Y‑0‑H) Bridge connection for ungrounded system (Y‑H) etc. |
| Bank protection | Unbalance CT for Y‑Y or H connection |
| Fuse technology | Internally fused (CHDB) Externally fused / Conventional fuseless type (CHDE) Fuseless (CHDF) |
| Temperature range | −55 to +55 °C |
| Installation | Indoor or outdoor |
| Scope of supply | Capacitor banks built with single‑phase capacitor units mounted in hot‑dip galvanized steel racks complete with necessary support insulators and internal connections. CT for capacitor bank unbalance protection can be included when bank is in double‑star (Y‑Y) or bridge (H) configuration. Standard interconnecting material between capacitor bank and unbalance CT |
The complete set includes single‑phase capacitor units, hot‑dip galvanized steel racks, supporting insulators and internal connection components. For double‑star and bridge‑type configurations, unbalanced‑protection current transformers and standard connecting fittings between capacitor banks and transformers can be provided.
Widely used in high‑voltage substations, wind‑solar new energy power stations, large‑scale industrial parks and power transmission & distribution networks. It realizes power factor correction, voltage stabilization and harmonic suppression, effectively improving power quality, reducing line losses and ensuring safe and stable operation of power systems.
Suitable for various complex outdoor environments such as plateaus, coastal salt‑fog areas, desert sand‑dust regions, frigid zones and humid rainy areas.
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