DTI's PowerMod™ modulators deliver the breakthrough advantages of solid-state high power switching to demanding pulsed power applications world wide.
Fast rise and fall times and outstanding pulse stability
Proven, modular design for high reliability
Compact, streamlined system design using an ultra-fast opening and closing switch
High power at 10 kV-200 kV at up to 5,000 and higher (for parallel devices)
Full internal self-protection against overvoltage and overcurrent conditions
Selected twice by R&D Magazine as a Most Significant New Product, PowerMod™ modulators offer highly cost-effective switching. High efficiency and increased pulse flexibility are inherent in the PowerMod™ design. PowerMod™ modulators are key components in ion implantation, high energy physics, semiconductor and flat panel display manufacturing, and other leading-edge applications.
PowerMod™ modulators offer better performance than vacuum tube-based modulators because solid state components offer higher reliablity with long component life, and generate significantly lower operating costs due to high power conversion efficiency. Lower power consumption means lower utility costs and smaller environmental cooling requirements.
All DTI systems are built from patented, solid-state IGBT-based switching assemblies connected in series to achieve the desired voltage. Because IGBT switches always fail "short", PowerMod modulators continue to operate even if several switching assemblies fail. In addition, components are derated in the design, allowing additional operating margin.
DTI's pulse modulators behave as both closing and opening switches. In event of an arc, the switch opens instantaneously, protecting both the load and modulator from damage. The ability to open quickly removes the need for a crowbar in the circuit and leads to some important benefits. Without a crowbar, no series resistor is required and the system is more efficient. In addition, the energy-storage capacitor does not discharge during an arc, so pulsing can resume immediately after the arc clears. Finally, environmental hazards associated with mercury-containing ignitrons are eliminated. PowerMod™ modulators are available in a wide range of voltage, current, and performance configurations, and can be integrated with an external control such as DTI's Pulse Control Unit (PCU).
PowerMod™ 20 kV, 150 A Modulator 