Products
Multi-channel 15kW magnetron HV power supply
The power supply is characterized by the following:
- Possibility to supply up to 3 magnetrons simultaneously with a separate and independent set of operational parameters for each magnetron. Magnetrons of different types can be supplied at the same time
- Output power up to 5 kW DC for each channel
- Direct magnetron connection – no additional units required
- Modular extendable design. Each channel is an almost self-contained unit including the most part of circuitry required to drive a magnetron. A unit, which is common for all channels comprises of mains related circuitry and a controller to provide remote control and diagnostics. A number of output channels can be increased if needed by introducing minor changes
- Full compatibility with 19” environment
- Availability of both local and remote control and diagnostics options. The power supply can be controlled remotely via Ethernet
- Utilization of an advanced resonant topology in high voltage and filament switching mode inverters. The approaches used provide a reliable operation of the power supply in a rugged industrial environment
- Extended capabilities to provide the utmost safety of magnetron operation. The power supply is featured inter alia by an automatic procedure of filament regulation depending on magnetron current; overvoltage and overcurrent protection; voltage or current mode of regulation with smooth cross-over
- Possibility to process signals from external sensors. Both analogue and logic level signals are acceptable. Typical applications include: (i) VSWR and arc protection; (ii) temperature monitoring; (iii) output RF power measurement; (iv) measurement of water pressure etc. Depending on these signals it is possible to implement sophisticated algorithms of magnetron operation to accept adaptively volatile circumstance
- Extended capabilities to monitor parameters of mains. Since the power supply consumes a rather considerable current and operates in an industrial environment as well as magnetron is a volatile load fundamentally it is important to provide continuous monitoring of parameters of the primary mains including a power factor and a phase balance. Such monitoring improves significantly a reliability of the power supply
The hardware configuration of power supply includes three independent double channel DC/DC converters – to supply anode and filament circuitry of a magnetron respectively along with related control circuitry and a common for all converters rectifier and a controller for remote control and diagnostic as depicted in the figure below.
Fig. 1. Hardware configuration of power supply
The outline of power supply is depicted in the photo below
![]() |
![]() |
Fig. 2. Outline of power supply |
Parameters of power supply
Number of channels | 3 |
Output parameters for each channel:
|
|
Regulation mode | Voltage or Current |
Regulation range, % | 5 ... 100 |
Interface for external sensors Analogue
|
|
Power consumption, W | 16500 |
Primary power supply | 3-phase, 480 ± 10% VAC, 60Hz |