The Lambda/TDK/EMI ESS150-100-11-D-1413 is a 15 kW programmable DC power supply engineered for high-power applications demanding stable, reliable output. This ESS series unit delivers 150 Vdc at 100 Adc with dual-mode operation in constant voltage (CV) and constant current (CC) with automatic crossover. Pulse-by-pulse current limiting ensures performance in high-current scenarios including RF amplifiers, DC motor testing, and magnetic coil energization.
## Technical Specifications
• **Output Power:** 15 kW
• **Output Voltage:** 150 Vdc maximum
• **Output Current:** 100 Adc maximum
• **Efficiency:** 85%
• **Power Factor:** 0.9
• **Output Ripple:** 120 mV RMS (5 Hz–1 MHz)
• **Operating Temperature:** 0°C to 50°C continuous; derates 4% per °C above 50°C
• **Storage Temperature:** −55°C to 85°C
• **Voltage Temperature Coefficient:** 0.02% per °C of rated output
• **Current Temperature Coefficient:** 0.03% per °C of rated output
• **Stability:** ±0.05% maximum deviation over 8 hours at constant line, load, and temperature
• **Voltage Regulation (CV Mode):** <0.1% for 100% load current change
• **Current Regulation (CC Mode):** <0.1% for 100% load voltage change
• **Line Regulation:** <0.1% across full AC input range in both CV and CC modes
• **Transient Response:** <650 microseconds for 30% load step (units above 20 V scaled as Vmax/20)
## Key Features
• Ten-turn potentiometers for voltage and current adjustment
• Dual meters for simultaneous output voltage and current indication
• LED status indicators: Overvoltage Condition, Inverter Failure, Phase Loss, Control Failure
• Analog programming via 0–5 Vdc interface (standard)
• Optional RS232/IEEE 488 interface via RSTL controller board
• Compact form factor with high reliability heritage since 1995
## Typical Applications
RF amplifier testing, DC motor characterization, magnetic coil energization, and high-current load simulation requiring precision voltage or current sourcing.
## Compatibility & Integration
Supports AC input configurations including 3-phase (190–250 Vac to 432–528 Vac) and single-phase options. Remote control via analog 0–5 Vdc command lines and optional RSTL interface for automated test environments.
