SR-7 Voltage Regulator – Digital Automatic Voltage Regulator (AVR) for Mecc Alte Alternators
The SR-7 is a high-performance automatic voltage regulator (AVR) designed specifically for use with Mecc Alte synchronous alternators. Known for its reliability and precision, the SR-7 ensures stable output voltage under varying load conditions, making it ideal for both standby and prime power applications.
Key Features:
- Digital Control Circuitry: Uses a digital microcontroller for accurate and consistent voltage regulation.
- Voltage Sensing: Single-phase sensing for quick and accurate voltage feedback.
- Frequency Protection: Protects against low-frequency operation to prevent equipment damage.
- Soft Start Voltage Ramping: Prevents voltage surges during startup to extend equipment life.
- Factory Programmable Settings: Pre-set voltage, stability, and protection thresholds with optional internal adjustments.
- EMI/RFI Suppression: Reduces interference for compatibility with sensitive systems.
- Compact & Durable: Rugged housing with integrated heatsink for reliable operation in harsh environments.
Technical Specifications:
- Voltage Regulation: ±1%
- Sensing Input: 170 – 270 VAC
- Power Supply Input: 170 – 270 VAC
- Max Output: 90 VDC @ 207 Ω (max 440 mA)
- Frequency Range: 50/60 Hz
- Operating Temperature: –25°C to +70°C
- Compatible Alternators: Mecc Alte ECO and ECP series brushless alternators
Applications:
The SR-7 AVR is commonly used in industrial generator sets, mobile power units, telecom backup systems, and emergency standby generators, where stable voltage and reliable performance are critical.
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