Intermediate frequency furnace burning KP silicon technology encyclopedia rip silicone tube to see if the quality is bad? Medium frequency furnace burning KP silicon answer: rip silicone tube to see if the quality is bad? 10 intermediate frequency furnace
recently always burn KP I want to know whether the quality can't there are other reasons to intermediate frequency furnace recently always burn KP I want to know if there is no quality or other.
Intermediate frequency furnace burning inverter silicon frequently question answer: general after 1 furnace burning silicon, shows that the cooling performance is bad.
Should first confirm the pressure of cooling water, flow rate and temperature is in accordance with the requirements, and second, if the water jacket since the pressure is too tight and silicon, such as deformation, uneven or oil should be replaced in a timely manner, completely solve the cooling problem.
In addition, 1, measurement of each inverter silicon pressure resistance is the most normal value, control line.
Why old medium frequency furnace to burn the same answer: silicon controlled rectifier in the waterways are clear, radiators and thyristor (
Silicon controlled rectifier)
The installation of the standard under the premise of damage of the old one and the same position of the thyristor, you have to check: with the thyristor corresponding resistance capacity to absorb circuit is open,
Resistance or capacitance internal circuit)
Check the corresponding to the pulse of the thyristor power amplifier boards, the above resistance, capacitance and diode, including pulse.
Intermediate frequency furnace frequently KK silicon controlled burning, request to solve a: silicon controlled this device resistance to over-voltage over-current capability is not strong, work junction temperature is not too high, the highest junction temperature of about 120 degrees or so.
Also want to buy the authentic devices for big brands.
You can test the working current of the load, and then compare the parameters of the thyristor, you use to leave enough margin.
Choose a suitable silicon controlled rectifier, assembly on big enough.
Please comment, one of the intermediate frequency furnace power thyristor always burn, intermediate frequency furnace burning KP silicon answer: one of the intermediate frequency furnace power thyristor always burn the reasons: 1, the inverter SCR intermediate frequency furnace water-cooled water or replacement of water-cooled cooling down.
To observe the water yield of water jacket and sometimes pressure is enough, but often due to water quality problems, in the water-cooled walls attached to a layer of scale, due to the differential scale is a kind of thermal conductivity of objects, although there are.
Voltage instability, intermediate frequency furnace burning silicon, KP silicon power at intermediate frequency furnace to burn a: doubt lack of phase, suspected of short circuit or partial position.
Is operation process is not the same as the sound.
Old medium frequency furnace burning KK what reason is thyristor medium frequency furnace burning KP silicon a: check whether the silicon controlled radiator temperature is exorbitant, pulse transformer pulse is normal, whether there is poorly insulated inverter output.
20 t intermediate frequency furnace tapping temperature and the sort of work potentiometer knob is set to zero, the total answer: you the problem of furnace.
Intermediate frequency furnace reactance have sound is going on a: are you on the 'divine furnace 'web site to find information, if I have seen.
Intermediate frequency electric furnace
trip silicon rectifier bad what reason be?
A: usually, inverter quick silicon easy bad, if silicon rectifier is bad, there is likely to be mutated over-voltage or over-current.
Because the load disturbance and the power fluctuation caused by the trigger disorder, can also lead to silicon rectifier is damaged, the specific issues that need to be analysis according to the damage.
Intermediate frequency furnace burning KP silicon intermediate frequency furnace technical data could not be started normal medium frequency furnace burning KP silicon a: here is my years of experience, intermediate frequency furnace faults and processing methods;
1 boot cannot start, first check the power supply three phase is normal, lack of phase is not starting.
Carefully check the control circuit is loose, it is best to tighten the screws.
Motherboard power supply is normal, general motherboard is 15 v, common three-terminal voltage regulator to 7815 voltage regulator, to focus on.
Intermediate frequency furnace KP silicon answer: how to take off the silicone intermediate frequency furnace burning desilication should generate silica to implement, so into the inside
Elements can be achieved.
Failure 1 failure phenomenon: intermediate frequency furnace large dc current when starting, low voltage dc voltage and frequency and over-current protection device and start the deep voice.
Analysis: there is a bridge inverter bridge arm of the thyristor may cause short circuit or open circuit inverter bridge running three arm bridge.
Oscilloscope were observed four bridge inverter bridge thyristor (tube voltage waveform on the arm of the if there is a bridge.
2 tons of intermediate frequency furnace stove is always quick fuse burning, and inverter can be medium frequency furnace burning KP silicon answer: should be electric pulse recoil, may transformer cargo waveform is not appropriate, causing you to burn the fuse.
The thyristor medium frequency furnace is at work has been conducting medium frequency furnace burning KP silicon answer: silicon controlled rectifier in the relevant fault, reverse voltage of instantaneous burr high voltage in the main circuit of intermediate frequency power supply, the instantaneous inverting burr voltage is absorbed by resistance capacity to absorb.
If absorbing circuit resistance, capacitance in the open will make instantaneous inverting burr high voltage thyristor burn out.
In the case of power measured with Wan Xiubiao absorption resistance tolerance, absorption capacity.
Xi 'an intermediate frequency furnace is another large forging equipment on medium frequency furnace medium frequency furnace burning KP silicon answer: it could be a synchronization signal interference in the process of start, leads to KP tube through the current inequality, lead to damage of KP;
Also may be lack of KP overvoltage protection;
May also be resistance capacity to absorb too much is bad du/dt misleading lead to damage to KP.
To find a way to overcome the above deficiency, the situation will be much better.
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