MCC Panels

Custom Engineered Panel for Renewable Energy

Custom Engineered Panel assemblies engineered for Renewable Energy applications, addressing industry-specific requirements and compliance standards.

Custom Engineered Panel for Renewable Energy

Overview

Custom Engineered Panel assemblies for Renewable Energy projects are designed to manage the electrical interfaces, protection, conversion, and distribution requirements found in solar PV plants, wind farms, battery energy storage systems, hybrid substations, and ancillary auxiliaries. In practice, these assemblies may combine ACBs and MCCBs for incomer and feeder protection, protection relays for transformer, generator, and busbar supervision, VFDs and soft starters for pumps and cooling systems, and PLC-based control for sequencing, alarms, and remote SCADA integration. For utility-scale PV and BESS sites, panels often include metering cubes, DC distribution sections, surge protective devices, battery chargers, insulation monitoring where applicable, and interface relays for inverter controls, fire systems, and EMS/SCADA networks. Engineering is typically based on IEC 61439-2 for power switchgear and controlgear assemblies, with IEC 61439-1 defining general rules and temperature-rise, dielectric, and short-circuit verification methods. Depending on the application, IEC 61439-3 may be relevant for distribution boards intended for operation by ordinary persons, while IEC 61439-6 applies to busbar trunking interfaces and feeder sections. Component selection should align with IEC 60947 series requirements for circuit-breakers, contactors, switch-disconnectors, motor starters, and auxiliary devices. In renewable installations with hazard zones, enclosures and accessories may need to support IEC 60079 explosive atmospheres requirements, while inverter rooms, battery rooms, and converter enclosures may also require consideration of IEC 61641 internal arc testing for risk mitigation in enclosed power rooms. Because renewable assets are often located in harsh coastal, desert, or high-altitude environments, custom engineered panels frequently require IP54 to IP66 enclosures, anti-condensation heaters, sun shields, marine-grade coatings, stainless steel or powder-coated galvanized steel construction, and segregated ventilation paths. Forms of separation such as Form 2, Form 3b, or Form 4 are selected to improve maintainability and limit fault propagation between functional units, busbars, and outgoing feeders. For plants with high fault levels or multiple parallel sources, assemblies may be engineered for short-circuit withstand ratings from 25 kA to 100 kA for 1 second, with busbar ratings commonly ranging from 630 A to 4000 A or higher depending on generation capacity and transformer interface. Typical configurations include LV main distribution boards, inverter AC collection panels, DC auxiliary boards, AC combiner and feeder panels, ATS panels for backup generation, capacitor bank and APFC panels for reactive power control, and PLC/RTU panels for plant automation. For wind and solar balance-of-plant systems, the panel may also integrate signal conditioning, Ethernet switches, fiber media converters, and redundant 24 VDC power supplies to support availability targets. Proper coordination between upstream protection, inverter fault contribution, and downstream cable sizing is essential to ensure compliance and operational continuity. Patrion’s Custom Engineered Panel solutions for Renewable Energy are built to IEC-compliant design practices, with engineered drawings, thermal verification, wire management, labeling, and factory testing tailored to project-specific specifications and EPC documentation needs. These assemblies support reliable performance in demanding field conditions while enabling safe energization, remote monitoring, and maintainable lifecycle operation across modern renewable infrastructure.

Key Features

  • Custom Engineered Panel configured for Renewable Energy requirements
  • Industry-specific environmental ratings and protections
  • Compliance with sector-specific standards and regulations
  • Optimized component selection for industry applications
  • Integration with industry-standard control and monitoring systems

Specifications

PropertyValue
Panel TypeCustom Engineered Panel
IndustryRenewable Energy
Base StandardIEC 61439-2
EnvironmentIndustry-specific ratings

Other Panels for Renewable Energy

Main Distribution Board (MDB)

Primary power distribution from transformer to sub-circuits. Rated up to 6300A. Houses main incoming breaker, bus-section, and outgoing feeders.

Metering & Monitoring Panel

Energy metering, power quality analysis, and multi-circuit monitoring with communication gateways.

Power Factor Correction Panel (APFC)

Automatic capacitor switching for reactive power compensation. Thyristor or contactor-switched, detuned or standard configurations.

Automatic Transfer Switch (ATS) Panel

Automatic changeover between mains and generator/UPS. Open or closed transition, with or without bypass.

PLC & Automation Control Panel

Process and machine control panels housing PLCs, I/O modules, relays, HMIs, and communication infrastructure.

DC Distribution Panel

DC power distribution for battery systems, solar installations, telecom, and UPS applications. MCCB/fuse-based DC protection.

Capacitor Bank Panel

Fixed or automatic capacitor bank assemblies for bulk reactive power compensation in industrial and utility applications.

Other Industries Using Custom Engineered Panel

Commercial Buildings

MDB, lighting distribution, APFC, ATS, metering, BTS, capacitor bank, BMS integration

Industrial Manufacturing

MCC, PCC, VFD panels, MDB, APFC, automation panels, soft starters, harmonic filters, capacitor banks — full range

Data Centers

High-reliability MDB, PCC, ATS (STS), metering, APFC, BTS, DC distribution

Healthcare & Hospitals

ATS (critical power), MDB, generator control, lighting, metering, APFC

Oil & Gas

Ex-rated panels, MCC, PCC, VFD, generator control, soft starters, ATEX/IECEx compliance

Mining & Metals

Rugged MCC, PCC, VFD panels, generator panels, soft starters, harmonic filters

Marine & Offshore

Marine-certified panels, MCC, generator sync, ATS, PLC, classification society compliance

Infrastructure & Utilities

MDB, ATS, metering, BTS, lighting distribution, DC distribution

Food & Beverage

Washdown-rated panels (IP65+), MCC, VFD, APFC, PLC, soft starters, harmonic filters

Pharmaceuticals

Cleanroom-compatible panels, MCC, VFD, APFC, PLC, soft starters, harmonic filters

Frequently Asked Questions

The primary standard is IEC 61439-2 for power switchgear and controlgear assemblies, supported by IEC 61439-1 for general rules such as temperature rise, dielectric performance, and short-circuit verification. If the panel is a distribution board intended for ordinary operation, IEC 61439-3 may apply; if it interfaces with busbar trunking, IEC 61439-6 is relevant. Individual devices inside the panel, such as ACBs, MCCBs, contactors, and motor starters, should comply with IEC 60947. For battery rooms, inverter spaces, or classified locations, IEC 60079 and, where internal arc risk is a concern, IEC 61641 should be considered during specification and testing.
Common functions include main low-voltage distribution, inverter AC collection, DC auxiliary distribution, metering, APFC, ATS, and PLC-based control. In solar PV plants and BESS sites, panels may also house protection relays, interlocks, surge protection, communication gateways, and interface circuits for SCADA or plant energy management systems. For auxiliary loads, soft starters and VFDs are often integrated for pumps, fans, and HVAC. The exact architecture depends on whether the project is utility-scale, C&I rooftop, hybrid microgrid, or grid-support storage. A well-designed custom engineered panel reduces wiring complexity, improves maintainability, and coordinates protection across source, storage, and load circuits.
Short-circuit ratings are determined from the prospective fault level at the point of connection, the contribution of transformers, generators, batteries, and inverters, and the protective device coordination philosophy. IEC 61439 requires verified short-circuit withstand capability for the assembly, commonly expressed as Icw, Icc, or Ipk values. In renewable plants, ratings often range from 25 kA to 100 kA for 1 second, but the exact figure must be based on study data and upstream/downstream device settings. Busbar sizing, enclosure bracing, device selectivity, and cable termination details all affect the final verified rating and should be documented in the FAT dossier.
Renewable energy panels are often installed in dusty, humid, coastal, or high-temperature environments, so enclosures typically require IP54 to IP66 protection depending on exposure. Anti-condensation heaters, thermostats, filtered fans, sun shields, and corrosion-resistant finishes are commonly used. For offshore, desert, or high-salinity sites, stainless steel or specially coated mild steel enclosures are preferred. Temperature rise must be verified under IEC 61439-1/-2, especially when the panel includes VFDs, soft starters, or dense metering and communication equipment. Cable entries, gland plates, and internal spacing should be engineered to preserve ingress protection and maintain long-term reliability.
Yes. Custom engineered panels frequently integrate PLCs, RTUs, Ethernet switches, industrial routers, fiber media converters, and remote I/O to support SCADA, EMS, and predictive maintenance platforms. Typical signals include breaker status, relay alarms, meter values, inverter faults, temperature alarms, battery system status, and fire interface signals. For large renewable plants, redundant 24 VDC power supplies and communication segregation are common to improve availability and reduce noise susceptibility. The integration must be planned alongside the single-line diagram, network architecture, and cybersecurity requirements so that control, protection, and monitoring remain coordinated and serviceable.
Forms of separation are selected to improve safety, service continuity, and fault containment. Form 2 separates busbars from functional units, Form 3 additionally separates functional units from one another, and Form 4 provides the highest degree of segregation by separating terminals and outgoing circuits as well. In renewable projects, Form 3b or Form 4 is often preferred for inverter feeders, auxiliary services, and critical plant control sections because it limits maintenance exposure and fault propagation. The selection must be verified as part of the IEC 61439 design, including internal wiring routes, barriers, terminal compartments, and thermal performance.
Internal arc consideration is strongly recommended for critical LV switchrooms, inverter buildings, and battery energy storage facilities where personnel exposure and energy density are higher. IEC 61641 addresses test methods for internal arc fault containment in enclosed assemblies, helping assess the panel’s ability to protect operators and adjacent equipment. While not universally mandatory, many EPC specifications and utility clients require arc-resistance evidence or mitigation features such as arc barriers, pressure relief paths, arc detection relays, and remote racking. The final requirement depends on project risk assessments, local regulations, and the owner’s engineering standards.
Factory testing typically includes visual inspection, wiring verification, insulation resistance tests, dielectric checks, functional operation of breakers and contactors, relay injection where applicable, PLC logic checks, metering validation, communication tests, and control interlock simulation. For renewable plants, FAT often also covers alarm signaling, SCADA point-to-point checks, ATS transfer logic, APFC stage operation, and protection trip verification. Under IEC 61439, the builder must demonstrate conformity to the design verification package, including temperature-rise and short-circuit capability where applicable. Clear test records, as-built drawings, and QC documentation are essential for EPC handover and commissioning readiness.

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