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Technical Specification of High Voltage Power Supply for 1KW Magnetron Application
Power Switch Transistor Temperature Rising: 35°C
Output DC voltage: 3000V-4300V the tunable current range: 50 mA --300 mA
Control voltage input range: 0V-2.5V (analog control)
Output DC current temperature drift: ±1% 24h
Maximum Magnetic Core Temperature Rising: 65°C (environment temperature 25°C with air cooling)
High voltage output feature: continuous short circuit discharge is allowed for high voltage output and restart immediately
Efficiency: > 93.5% @ AC175V/AC280V, 4 hours from power on
Over temperature protection: power switch transistor and rectifier temperature > 80°C
Type of cooling: forced air cooling
High voltage soft rising time: 10 s
Rated Power: 1500W
referred to the output microwave power of magnetron: 1000W- 1100W (determined by
the spread of magnetron)
AC restart time after power down: 20 s
AC input range: AC start-up voltage 160V the voltage range for normal operation: 190V-285V
lifespan: 30,000h
Over voltage protection: >AC300V
Size of power supply: 120 x 155 x 160mm
Power factor: > 0.90
Ambient temperature: -20°C~+50°C
 
Filament Power Supply
switching mode power supply:35W 3.3 V/10A ,with efficiency 72%
current soft rising time: 10s initial current: 2.0 A linearly rise to rated value
voltage range: AC160V-300V
the high voltage generator will stop working if filament is broken
constant current range: 6-12A constant current accuracy: 2% 24h
the typical current value at thermal equilibrium state of magnetron: 6.0A-7.0A
current will be held at 12A if filament is shorted
 
Test condition: AC220V
Notes: the efficiency of magnetron high voltage power supply: > 97.5% power switch transistor temperature rises 20°C
Quality assurance: warranty during first year
     
         
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