ZT PID setting method of specifying setting steps of the empirical method

three phase induction electric motor Y series B35 1.5KW 2.2KW 37KW 75KW

Specifications
-One year warranty 
-Within 25 days delivery 

-Life: 5-7 years 
Integral coefficient S0 = 0 1) let the controller parameters, the actual differential coefficient k = 0, run into the closed loop control system, from small to large change ratio water pump price S1, let the disturbance signal as a step change, observe the control process, until a satisfactory control process. generator set S1 (2) ratio for the current value multiplied by 0.83, from small to large S0 increase generator price integral coefficient, also let the disturbance signal as a step change, to obtain satisfactory control process. (3) the integral coefficient induction motor prices S0 remains www.facebook.com/guohong.trading the same, change the ratio coefficient of S1, observe the control process for improvement, such as improved continued to adjust, ac synchronous generator until satisfied. Otherwise, the original proportion lamination coefficient of S1 electric motor low rpm some increase, S0 readjustment of integral coefficient, strive to improve the control process. So repeated trial and error, until we find a satisfactory proportion coefficient and integral coefficient of S1 S0. generator rotor and stator (4) the introduction of appropriate actual differential coefficient k and the actual differential time TD, when S1 can be appropriately increase the proportion coefficient and integral coefficient S0. The same, and the previous step of differential time setting also need to AC motor adjust repeatedly, until satisfied control process.

Practical knowledge of electrical engineering

Three-phase 3 phase induction motor five wire with color yellow, green, red, light blue, respectively the U, V, W, N protective earthing line double color (PE) transformer in operation, each transformer phase current should not exceed electric motor rated current; The maximum unbalance current shall not exceed 25% of the rated rotor current. Transformer operation should be performed periodically maintenance. The same transformer power supply system, unsuitable mixed protective earthing and protection by zero. The voltage transformer secondary coil normally rated voltage 100 v. Secondary side of voltage permanent magnet generator transformer at work may not be rotor and stator short circuit. Due to short circuit will produce a lot acmotor2.blogspot.com of short circuit current, may burn out diesel generator set transformer, voltage transformer for this time, secondary side are installed fuse protection. Secondary side of voltage transformer must be grounded at one end. This is to prevent the secondary synchronous generator coil insulation breakdown, a high pressure into the secondary small diesel engine side, endanger the safety of person and equipment. Current transformer secondary side close to the short circuit conditions at work. Rated current of the secondary coil is commonly 5 a current transformer secondary side is not electric generator allowed to open at work, current transformer secondary side generator must be grounded at one end, to prevent the first and second coil insulation breakdown, the side of a high voltage into the secondary side.

Servo motor cable to relieve stress

Y2 series high power China ac motor
Specifications
1. effiency: IE2 and IE1 
2. 20 years manufacturing experience 
3. 12 months guarantee 

4. low noise and vibtration 
A: to ensure that the cable is not because of external bending force or under vertical load torque or its spare parts weight, especially in the cable or joint at the exit. B: in the case of a servo motor to move, should put cable (that water pump price is, with the motor configuration) is firmly fixed diesel magnetic generator single phase motor generator to a stationary part (motor), and small diesel engine should use an additional cable installed in synchronous generator the cable support to prolong it, so www.dongfeng-motor.com that the ac induction motor bending stress can be reduced to a minimum. C: the diesel generator set bend radius of the cable to be as large as possible.

The selection generator price of thermal relay

 Y2 series 0.75kW (1HP) AC Motor for Speed Control
Specifications
1. effiency: IE2 and IE1 
2. 20 years manufacturing experience 
3. 12 months guarantee 
4. low noise and vibtration 
Thermal relay used in motor overload protection. The choice of thermal relay is based largely on. The rated current of the motor to determine the type and specification. Rated current of the thermal relay element. IRT should be close to or slightly greater than the rated current of the motor Ied, namely: the electrical control system design. In general, can choose two phase structure of thermal relay, the serious imbalance in the power grid voltage, motor under the condition of poor working conditions, can choose three phase structure of the thermal relay, for motor delta connection, in order to achieve the phase failure protection and are optional with open phase protection of thermal relay. If the following electric motor parts circumstances.


motor lamination three phase induction wound rotor 
Specifications
1. Lamination of electric motor 
2. IP54 class F 
3. 100% copper 
4. silicon steel stamping 

5.stunning performance
the choice of thermal relay setting current than the motor rated current of components, www.dongfeng- motor.com in order to protect: (1) the inertia torque motor load is single phase motor very large, rotor the starting time is long; (2) motor driven equipment, do not allow any power failure; (3) motor drive for the impact loads, such as punching machine, shearing machine equipment. The commonly used thermal relay JRl, JR2, permanent magnet generator lamination machine JR0, JRl6 etc. JRl6B series double metal plate thermal relay and www.dongfeng- motor.com its current setting range is wide, and a temperature compensating device, suitable for long-term job or intermittent ac motor overload protection, and phase failure protection device operation. generator JRl6B diesel generator set is modified by JR0. This series of products used in place of JR0 three pole and thermal relay with phase failure protection.

Switches cut-through (Cut Through)

OEM industrial electric motors
Specifications
1. effiency: IE2 and IE1 
2. 20 years manufacturing experience 
3. 12 months guarantee 

4. low noise and vibtration
Through the Ethernet switch can be understood as the way in single phase motor which the port is crisscrossed circuit matrix between the telephone switchboard. It detected in the input port when a packet, check the package in baotou, for the purpose of the package address, start the internal dynamic lookup table into the corresponding output port, the intersections on the input and output, the packets through the corresponding port, realize the exchange function. ANP gost motor Because do not need to be stored, delay is very small, exchange, very fast, this is its advantage. Its disadvantage is that because the packet content has not been Ethernet switch, so can't check whether the transmission of packets is wrong, Single phase motor does not provide error detection ability. Since there is no cache, will not have different rate of input/output port connected directly, and easy to lost package.