Laboratory HPV generator AHTP series

Presentation
Modular solutions for atmospheric cold plasmas. Advanced architecture with ultra-fast rise times (< 15 ns) and precise control for R&D and industrial applications. Complete range of EFFITECH pulsed high-voltage generators: DBD plasma HV generator, sliding-arc and corona generators. Voltage ranges from 1 kV to 50 kV depending on model.

Key performances (excerpts)

• Ultra-fast rise times: < 15 ns (typ. < 25 ns on 200 pF load).
• Wide frequency range: continuous 1 Hz – 200 kHz; up to 2 MHz in burst mode (option).
• Advanced precision control: duty cycle 0–100%, adjustable pulse width (> 50 ns with 12 ns resolution).
• High peak currents: up to 160 A (model dependent).

Comparative table (excerpts)
Model | Type | Max power* | Max voltage | Rise time | Max current
AHTPM05 | Monopolar | 1 kW | 5 kV | < 15 ns | 160 A
AHTPM10C | Monopolar | 1 kW | 10 kV | < 15 ns | 100 A
AHTPB05C | Bipolar | 1 kW | ±5 kV | < 15 ns | 100 A
AHTPM10 | Monopolar | 2 kW | 10 kV | < 25 ns | 160 A
AHTPB10C | Bipolar | 2 kW | ±10 kV | < 25 ns | 100 A
AHTPB10 | Bipolar | 4 kW | ±10 kV | < 50 ns | 160 A

Specialized generators (excerpts)

• AHTPB10 — Bipolar generator: HV supply for capacitive and resistive loads. Adjustable output ±10 kV. Burst mode up to 2 MHz. Pulse width adjustable > 50 ns.
• AHTPM40DC50 — Generator for capacitive loads: supports continuous/pulsed trains. DC voltage adjustable 0 to -50 kV; pulsed up to 0 to -40 kV; pulse widths 10–100 µs.
• AHTPB10Z — Bipolar plasma-torch generator: bipolar pulses with zero-crossing. Peaks ±10 kV; fully adjustable amplitude and duration.
• AHTPB10F — Ultra-fast bipolar generator: dedicated to capacitive loads, ultra-fast bipolar pulses; adjustable amplitudes and durations.
• AHTPM1DC07 — Generator for resistive loads: monopolar pulses with adjustable offset. Typical 1 kV peak / 700 V offset; peak current up to 110 A; average power ~1.2 kW.
• AHTPM5 — Monopolar pulse generator: pulsed 0–5 kV; pulse widths 1 µs–100 µs; switching time < 100 ns (non‑inductive load).

Captures & demonstrations (excerpts)
Bipolar pulses ±10 kV with rise times < 15 ns for high-performance DBD reactors. Examples of high-frequency regimes: 5 kV at 150 kHz (amplitude stability < 2%, rise times < 25 ns). Bipolar symmetric and asymmetric configurations shown (e.g. +5 kV / -2 kV at 10 kHz; ±7 kV at 10 kHz). Automatic arc detection < 100 µs and configurable short-circuit protection.

Features & options

• Modular architecture (1–4 kW per generator) and 19" rack integration for test benches.
• Fast switching using series MOSFET stacks for ultra-low output impedance.
• Touch HMI (integrated or remote), Modbus RTU / PLC control, real-time control software (Windows).
• Programmable internal or external triggering; burst mode up to 2 MHz (option).
• Safety: automatic arc detection < 100 µs, configurable overcurrent protection, thermal monitoring and forced ventilation.

Technical characteristics / specifications

• Output voltage: 0 to ±10 kV adjustable (model dependent; some models up to ±50 kV DC or -50 kV DC).
• Average current: up to 200 mA (indicative).
• Peak current: up to 160 A (model dependent).
• Short‑circuit protection threshold: adjustable 100–160 A (factory parameter).
• Time resolution: 12 ns.
• Minimum pulse width: 50 ns (some models support 1 µs–100 µs or longer depending on type).
• Rise/fall times: < 15 ns (measured at 13 pF), typ. < 25 ns on 200 pF.
• Operating frequency: 1 Hz to 200 kHz continuous; up to 2 MHz in burst mode (option).
• Load compatibility: capacitive (DBD), resistive, inductive; output impedance optimized for dense, uniform plasmas.
• Optical temperature measurement: range -20 °C to 1000 °C, accuracy ±1 °C.
• Interfaces: Modbus RTU / PLC, touch HMI, Windows software.