The Elgar 1751B is a precision AC power source designed to provide stable and accurate AC power for a variety of testing and simulation applications. It is part of the Elgar SL and B Series of solid-state linear amplifiers, known for their low distortion and stable sine wave output. This unit is suitable for engineers, system integrators, and laboratories requiring precise control over AC line conditions for equipment testing, motor operation, and frequency conversion.
### Technical Specifications
* **Manufacturer:** Ametek / Elgar
* **Model:** 1751B
* **Product Family:** 1001B, 1751B
* **Total Available Output Power:** 1750 VA
* **Output Voltage Ranges:**
* 0 to 32 VAC
* 0 to 130 VAC
* 0 to 260 VAC
* **Output Frequency Range:** 45 Hz to 5 kHz
* Optionally expandable to 10 kHz
* **Input Power:**
* 115/200V three-phase, 47-63 Hz or 230V delta
* May also be configurable for 208 or 416 L-L, 3-phase
* **Output Power Frequency Accuracy:** Up to 0.0001% with a plug-in oscillator
* **Harmonic Distortion:** Typically below 0.3% midband, 0.6% over the full frequency range
* **Load Regulation:** Better than ±0.25% for fixed frequency output; adjustable to ±0.1% for specific load conditions and ±0.015% with a PIP (Programmable Interface)
* **Line Regulation:** ±0.25% at rated load for a +10% input change at full scale output voltage
* **Response Time:** < 2 microseconds
* **AC Noise Level:** 70 dB below full output voltage with input grounded### Electrical Characteristics* **Power Amplifier Design:** Two DC supplies and a direct-coupled amplifier driving a tapped output transformer
* **Duty Cycle:**
* SL Series: Continuous duty at 150% of rated capacity
* B Series: Continuous duty at 100% of rated capacity
* The 1751B is noted as being part of the B Series
* **Overload Protection:** Included
* **Over-temperature Protection:** Included### Interfaces* **Oscillator Input:** Accepts fixed, variable, or programmable plug-in oscillators
* **Output Power Connection:** Rear panel terminal block and front-panel binding posts### Physical Characteristics* **Enclosure:** Standard rack-mount enclosure
* **Front Panel:** Features include output voltage monitoring meter, power on indicator lamp, voltage amplitude control, and power circuit breaker
* **Cooling:** Air drawn through a front panel grill and exhausted at the rear### Compatibility* **Multi-phase Power:** Can be achieved by stacking two or three power sources, all driven by one multi-phase plug-in oscillator
* **Military Specifications:** Facilitates equipment tests to meet military-specification operating requirements over specified frequency ranges (e.g., 47 Hz to 63 Hz or 47 Hz to 425 Hz)### Why Choose Aumictech for the Elgar 1751B?
At Aumictech, we specialize in supplying high-end AC power sources and test equipment. Whether you need precise AC power simulation for critical aerospace testing, stable voltage and frequency for motor control applications, or reliable power for electronic product development, our team ensures the Elgar 1751B delivers maximum performance for your application. We offer expertise in sourcing and supporting legacy and specialized equipment to meet your unique engineering and procurement requirements.
