In automated industrial environments where advanced robotics, variable frequency drives, and PLCs (the electronic “brains” controlling plant-wide machinery) coexist, a transient voltage drop can trigger unplanned shutdowns costing thousands of euros per defective or lost batch.
To address this operational reality, the Dynamic Voltage Restorers (DVRs) designed and manufactured by ZGR Corporación represent a comprehensive solution based on power electronics, shielding the industrial plant against electrical disturbances through these 7 key advantages:
Estabilizador dinámico de tensión ZGR AVC DVR es un sistema innovador de compensación de huecos de tensión para la continuidad de los procesos industriales. | EN The ZGR AVC DVR Dynamic Voltage Restorer is an innovative voltage sag compensation system designed to ensure the continuity of industrial processes.
1. Millisecond response time for rapid support of sensitive and advanced machinery
Protection relays and variable frequency drives on automated lines disconnect within milliseconds upon detecting a voltage sag. A Dynamic Voltage Restorer (DVR) acts immediately by injecting the exact missing voltage to maintain precision stability () for the sensitive load, ensuring that machinery continues operating without experiencing the grid disturbance.
2. Zero batteries, operational cost savings, and reduced maintenance
The primary economic limitation of the traditional UPS lies in its maintenance, spatial footprint, and the periodic replacement of its batteries.
The Dynamic Voltage Restorer draws the required power for compensation directly from the electrical grid itself. This significantly reduces operational expenditure (OPEX), installation footprint, and equipment maintenance over its operational lifecycle.
3.Energy efficiency exceeding 98%, supporting carbon footprint reduction
Maintaining a decarbonized plant requires equipment with low thermal losses. Dynamic Voltage Restorers (DVRs) remain in active standby mode with an efficiency exceeding 98%, contrasting with the constant power consumption and heat dissipation generated by industrial double-conversion UPS systems. This minimizes overall energy consumption and reduces HVAC demand in electrical rooms.
4. Comprehensive protection against severe grid events
Power quality is increasingly affected by the intermittency of renewable energy sources, which are growing in frequency. The power electronics of the ZGR AVC DVR equipment are engineered to mitigate:
- Three-phase voltage sags of up to 70% depth.
- Total single-phase interruptions (100%).
- Continuous overvoltages of up to 20%, protecting the plant against sustained voltage elevations.
5. Mitigation of prolonged sags and independent phase regulation
Unlike conventional line conditioners that only cover short-duration transients lasting a few cycles, the injection architecture of the Dynamic Voltage Restorer (DVR) supports voltage sags lasting up to 30 seconds. Additionally, it incorporates independent regulation on each phase, correcting severe load imbalances without affecting healthy phases.
6. CE compliance, safety certification, and electrical interference protection
To operate with total reliability in demanding industrial environments, the ZGR AVC DVR carries the CE mark, ensuring strict compliance with European directives regarding safety, electromagnetic compatibility, and environmental resistance.
In other words, the equipment neither generates interference within the factory grid nor is affected by electrical noise from other machinery, strictly complying with international standards IEC 62477-1, IEC 61000-6-2, IEC 61000-6-4, and IEC 60721-3-3.
7. Modular architecture and scalability
The operational flexibility of Industry 4.0 requires electrical infrastructure to scale alongside the plant. The ZGR AVC DVR range features a modular design that minimizes mean time to repair (MTTR) and enables up to three units to be connected in parallel. This progressive expansion capability prevents over-dimensioned capital investments from day one.
Ensuring production continuity in automated plants requires moving beyond passive protection. Embracing dynamic compensation through power electronics is the definitive step toward enhancing industrial production efficiency.
If you are interested, get in touch with us. We take pride in helping our clients develop customized, differentiated solutions tailored to the specific operational profile of each project and industrial plant.
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