Main technical parameters of 1T medium frequency induction heating furnace control board core
1 ton induction heating furnace control board core main circuit
IF power supply line rated voltage: 100V-660V (50HZ) (note the matching of R3, R7, R11).
IF control board power supply: single phase 1 8 V/2A.
IF control board IF voltage feedback signal: AC 1 5 V/15mA.
IF control board current feedback signal: AC 1 5 V/5mA three-phase input.
Intermediate frequency control board rectification trigger pulse phase shift range: α=0～1 5 0°
The IF control board rectifies the trigger pulse symmetry: less than 0.5 °.
Rectification trigger pulse signal width: ≥600μS, double narrow, 60° interval.
Rectification trigger pulse characteristics: Trigger pulse peak voltage: ≥1 5 V
Trigger pulse peak current: ≥ 2 A
Trigger pulse front edge steepness: ≥0.5A/μS
Inverter frequency: 3 00HZ-10KHZ.
Inverter trigger pulse signal width of IF control board : 1÷ (16× inverter frequency).
Inverter trigger pulse characteristics: Trigger pulse peak voltage: ≥22V
Trigger pulse peak current: ≥3A
Trigger pulse front edge steepness: ≥2A/μS
(Inverter trigger pulse transformer is external)
Maximum dimensions: 2 00 × 1 8 5 × 30mm.
IF control board fault signal output
IF board plate upon detection of a fault signal, the output signal of a set of contacts, the contact capacity is
AC: 5A/220V; DC: 10A/28V.
