The Elgar TW1750 is a programmable AC power source designed for testing complex electronics, avionics, and commercial applications requiring precise AC and DC power simulation. This unit is suitable for laboratory and industrial environments, and can be used for compliance testing against various international standards, including European harmonic standards. The TW1750 utilizes transformerless, direct-coupled amplifiers and a DSP-based sine wave controller. It offers both AC and DC output capabilities and can be configured for single or three-phase operation.
### Technical Specifications
**General**
* **Model:** Elgar TW1750
* **Product Type:** Programmable AC Power Source
**Input Specifications**
* **Voltage Ranges (Factory Configured):**
* 187 to 264 Vrms, 3-phase L-L (3-wire)
* For 1750 VA only: 187 to 264 Vrms, 1-phase
* **Frequency Range:** 47 to 63 Hz
* **Power Factor:**
* 0.6 (USA rectifier configured units)
* 0.35 (International rectifier)
* 0.99 (with optional input PFC)
* **Efficiency:** 70% minimum at full load
* **Ride Through:**
* 3 ms minimum (rectifier input)
* 10 ms minimum (with PFC option)
**Output Specifications**
* **Power Output:** 1750 VA
* **Phase Configuration:**
* 1-phase (1750 VA)
* **Waveshape:** AC sine wave and DC
* **AC Output Voltage (Programmable Range):**
* Range 1: 1 Vrms minimum to 156 Vrms maximum
* Range 2: 2 Vrms minimum to 312 Vrms maximum
* **DC Output Voltage:** Up to 312 Vrms available in AC or AC+DC modes
* **Voltage Programming Accuracy (without load):** 0.1% maximum of full scale (GPIB/Front panel)
* **Voltage Programming Resolution:** 0.03% Vrms maximum (12 bits) (GPIB/Front panel)
* **Output Current Limit Shutdown (Programmable):** Can be set to 1% of range
* 0.5A to 13A for 156V range
* 0.5A to 6.5A for 312V range
* **Programmable Current Limit with Timed Shutdown:** Timeout adjustable from 100 ms to 10 sec
* **Current Programming Accuracy:** 2% of full scale (GPIB/Front Panel)
* **Total Harmonic Distortion (THD):** Less than 0.5% (at 40 Hz to 500 Hz)
* **Crest Factor:** 4.0
* **Output Frequency Range:** DC or 40 Hz to 500 Hz
* **Measurements:**
* Peak Inrush Current
* Phase to Neutral rms Output Voltages
* Phase to Phase rms Output Voltages
* rms Output Currents
* Peak Current
* Output Frequency
* 1ø to 3ø Power
* 1ø to 3ø VA
* Output Phase Angles Relative to Phase A
**Interfaces**
* **Communication:**
* IEEE-488.2 interface
* RS-232 interface
* **Protocol:** SCPI protocol
* **SYNC OUT:** Available
* Selections: Even Cycle A phase (on), None (off), Event on change in programmed parameters
* **External Summing Node:** 0 to 5 Vrms provides 0 to 100% output
* **Analog Programming Input:** 0 to 5 Vrms (DC to 500 Hz) for zero to full scale voltage output
**Physical Specifications**
* **Dimensions (Width x Height x Depth):** 19” (483 mm) x 8.75” (222 mm) x 24.1” (613 mm)
* **Weight:** 60 lbs (27.3 kg)
* **Shipping Weight:** 130 lbs (59 kg)
* **Cooling:** Air drawn in from front, top, bottom, and sides; exhausted through the rear
**Environmental Specifications**
* **Operating Temperature:** 0°C to 45°C (32°F to 113°F)
* **Storage Temperature:** -40°C to 70°C (-40°F to 158°F)
* **Humidity (Non-condensing):** 0 to 85% at 31°C (88°F); derate to 50% at 40°C (104°F)
**Certifications**
* CE marked
* FCC compliant
**Other Features**
* **IEC Flicker Test Capable**
* **Field Parallel Configurable**
* **Low Harmonic Distortion**
* **Upgradeable Firmware**
Why Choose Aumictech for the Elgar TW1750?
At Aumictech, we specialize in supplying high-end AC power source equipment. Whether you need precise AC and DC power simulation for avionics testing, compliance verification against European harmonic standards, or a reliable power source for demanding laboratory and industrial applications, our team ensures the Elgar TW1750 delivers maximum performance for your application.
