Frequency converter easy to aging parts inventory
I believe many people who repair the inverter found that some of the inverter template will often burn out, usually we will replace the new module, and did not take into account the module has nothing to do with the drive burn. Therefore, maintenance should pay more attention to the drive circuit more aging parts. The following parts of the inverter is easy to introduce aging.
resistance
Resistance, material obstruction of the current is called the resistance of the material. Small resistance called electrical conductors, referred to as the conductor. Large resistance material called electrical insulator, referred to as the insulator. Resistance of the measuring capacitor, multimeter pointer will swing an angle, the greater the capacity of this angle the greater the second measurement to discharge the capacitor
Insulating paint
Insulating paint is polymer based, based on certain conditions can be cured into an insulating film or insulation of the overall insulation material is a kind of paint in the special paint. Radiator aluminum also have to dust, cooling fan is broken or a sound on the new; filter capacitor capacity to reduce 20% also change (usually not more than 8 years); all the main circuit connecting screws and then tighten. About disassembly chip integration: Some people disassemble the chip assembly often due to the temperature of the soldering iron is too high to make it damaged or performance degradation, before the demolition block can be posted on the block affixed to a small piece of water or sprinkle fine Paper for cooling, the effect is good!
Regulator
Zener is also a kind of crystal diode, it is the use of PN junction breakdown region has a stable voltage characteristics to work. Regulators in the regulator equipment and some electronic circuits have been widely used. We refer to this type of diode as a regulator to distinguish the diodes used in rectification, detection, and other unidirectional conduction. Ordinary electrician is more difficult to detect, can all be the new one is the best! Maintenance of the inverter but also for its overall care: the dust on the circuit board to use fine cleaning, drying and then spray insulation paint
Optocoupler
The full name of optocoupler optocoupler, also known as optical isolator, referred to as optocoupler. It is good for input and output electrical signals isolation, so it is widely used in various circuits. It has now become one of the most diverse and versatile optoelectronic devices. About optocoupler-driven circuit features: Because this circuit with a feedback detection circuit, that is, respectively, from the output of three-phase (Eu, Ev, Ew) to retrieve the signal and the drive signal to be compared when the inverter output is detected abnormal , Then send a high level signal to the motherboard through an optocoupler, the drive immediately cut off the drive signal and display "overcurrent" or "IGBT short circuit" failure, the protection is quite fast, inverter with this circuit is not easy to burn the module , But the problem is when the drive components of the inverter instability, aging and other issues affecting the work of the drive.
Sany Concrete Pump Spare Parts
HBYM GROUP LIMITED is a leading supplier of Sany Concrete Pump Spare Parts In Hebei China. We have more than 10 years experience in this business.We have many business cooperstion over the world.We would join many exhibitions each year to expand oue market.
Our Sany Concrete Pump Spare Parts include : Wear Spectacle Plate , Cutting Ring , Concrete Pump Delivery Cylinder , Original Agitator Motor , Plunger Cylinder , Outer Housing , Discharge Support , Wear Sleeve ,Bushing , Piston , Swing Lever and Sany Elbow , etc...
1.Sany Concrete Pump Parts
Sany Delivery Cylinder Sany Wear Spectacle Plate Sany Cutting Ring Sany Plunger Cylinder
Sany Cooler Radiator Sany Battery Sany S Valve Sany Hydraulic Oil Filter
Sany Swing Lever Sany Support Flange Sany Thrust Ring Sany Seal Kits
Sany Discharge Support-1 Sany Discharge Support-2 Sany Agitator Motor Sany Concrete Pump Piston
Sany Accumulator Seal Kits For Upper Housing DN230 Seal Kits Sany Mixing Seal Kits
Our Company
10 years experience,HBYM GROUP LIMITED is a manufacture trading company. 
We are located in Hebei province. Our main business include concrete pump
spare parts, concrete pipe, concrete elbow and clamp. We supply spare parts
for Putzmeister Pump, Schwing Pump, Zoomlion Pump, CIFA Pump, Kyokuto
Pump etc. Besides we could also produce parts as customers` drawing.We have professional working team, business team, technical team, service team.Our
annual sales about USD 5million.Our business market mainly in North America,
Eastern Europe, Africa, Mid East, Western Europe and Domestic Market.
Sany Spare Parts,Plunger Cylinder,Ball Cup, Sany Swinging Lever
HBYM GROUP Co,.LTD , https://www.hbympumpparts.com