Elgar TW1750-4 AC Power Source

The Elgar TW1750-4 is a single-phase AC power source designed for comprehensive testing and simulation of AC power conditions, including DC output capabilities. This unit is engineered for applications requiring precise AC power simulation for product development, quality control, and compliance testing against various international standards. Its design accommodates complex electronic loads, avionics, and commercial testing scenarios, offering flexibility for different power system configurations.

### Technical Specifications

**General:**
* **Model Series:** TrueWave (TW)
* **Power Output:** 1750 VA (single phase configuration)
* **Output Type:** AC, AC+DC, DC
* **Waveform Generation:** DSP-based sine wave controller, transformerless direct-coupled amplifiers.
* **Total Harmonic Distortion (THD):** Less than 0.5% with noise and ripple below -60 dB.
* **Crest Factor:** 4.0 for high peak-to-RMS current capability.
* **Frequency Range:** DC or 40 Hz to 500 Hz.
* **Measurements Capabilities:**
* Peak Inrush Current
* Phase to Neutral RMS Output Voltages
* Phase to Phase RMS Output Voltages
* RMS Output Currents
* Peak Current
* Output Frequency
* 1-phase to 3-phase Power
* 1-phase to 3-phase VA
* Output Phase Angles Relative to Phase A
* **Compliance Standards:** Designed for testing to European Standards such as harmonics (e.g., IEC EN 61000-3-2), IEC Flicker Tests, and various EMC and avionics standards.

**Electrical Specifications:**
* **AC Output Voltage Ranges:**
* Range 1: 1 V minimum to 156 Vrms maximum (L-N)
* Range 2: 2 V minimum to 312 Vrms maximum (L-N)
* **DC Output Voltage Range:** Up to 312 Vdc
* **RMS Output Current:** Up to 13.0 A (for 156V range), up to 6.5 A (for 312V range)
* **Programmable Current Limit Shutdown:** Settable to 1% of range.
* **Overvoltage Shutdown:** Programmable for 20V to 255V peak (156V range) or 40V to 510V peak (312V range).
* **Undervoltage Shutdown:** Automatic, not programmable.
* **Input Voltage Ranges:**
* Factory configured 187 to 264 Vrms, 3-phase L-L (3-wire)
* Optional: 342 to 457 Vrms, 3-phase L-L (4-wire)
* For 1750 VA single phase configuration: 187 to 264 Vrms
* **Input Frequency Range:** 47 Hz to 63 Hz
* **Power Factor:**
* 0.6 (for USA rectifier configured units)
* 0.99 (with optional input PFC)
* 0.35 (for European rectifier input)
* **Efficiency:** 70% minimum at full load.
* **Input Ride Through:**
* 3 ms minimum (for rectifier input)
* 10 ms minimum (with PFC option)
* **Output Voltage Accuracy:** 0.3% of full scale + 0.2% of reading (maximum).
* **Output Current Accuracy:** 0.3% of full scale + 0.5% of reading (maximum).
* **Voltage Programming Accuracy (GPIB/Front panel, without load):** 0.1% maximum of full scale.
* **Voltage Programming Resolution (GPIB/Front panel):** 0.03% Vrms maximum (12 bits).
* **Current Programming Accuracy (GPIB/Front Panel):** 2% of full scale.

**Interfaces:**
* **Standard Interfaces:** IEEE-488.2 (GPIB) and RS-232
* **Protocol:** SCPI protocol
* **SYNC OUT:** Programmable selections include Even Cycle A phase (on), None (off), and event-based triggers when programmed parameters change.
* **External Summing Node:** 0 to 5 Vrms provides 0 to 100% output.
* **WaveForm Trigger Output:** 1 M Load Drive.

**Physical:**
* **Dimensions:**
* Width: 19 inches (483 mm)
* Height: 8.75 inches (222 mm)
* Depth: 24.1 inches (613 mm)
* **Cooling:** Air is drawn in from the front, top, and sides and exhausted through the rear of the chassis.
* **Operating Temperature:** 0°C to 45°C (32°F to 113°F) at the air inlet.
* **Storage Temperature:** -40°C to 70°C (-40°F to 158°F).
* **Humidity (Non-condensing):** 0 to 85% at 31°C (88°F), derates to 50% at 40°C (104°F).

**Configuration and Operation:**
* **Field Parallel Configurable:** Allows for parallel operation of multiple units.
* **Multi-phase Output:** Capable of 3-phase output from a single unit (for higher power models, but the TW1750 is configured for 1-phase output).
* **Programming:** Accomplished at the front panel or via PC through GPIB or RS-232 interface.
* **Hierarchical Menu System:** Used for setting system parameters.
* **Output Control:** Incremental and absolute voltage and current setpoints available at the front panel.

### Why Choose Aumictech for ELGAR TW1750-4?

At Aumictech, we specialize in supplying high-performance AC power sources. Whether you need precise AC power simulation for avionics testing, reliable compliance testing against international standards, or versatile DC and AC+DC output capabilities, our team ensures the ELGAR TW1750-4 delivers maximum performance and accuracy for your critical applications.