High Medium Voltage Drive 4.16KV 3000KW VFD
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 pc
- Supply Capability:
- 10000 pc/month
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Energy-saving Solutions for Enterprise
1、Program Overview
◆Saving energy achieves 10% -70%
◆The enterprises do not need to pay for expense of equipment manufacture and installation.
◆Enterprises only need to pay the saving electricity expense to our company according to the actual quantity of energy saving after the equipments put into operation.
◆According thousands of the projects’ implementation experiences, such projects recover the investments in three or four years. (Equipment service life is 15 years)。
◆Our company will no longer charge the saving electricity expense after recovering the investment.
The significance of the program:
1)、Concentrate on solving problems of energy conservation, make enterprises’ energy-saving work reach new level and take their social responsibility。
2)、Avoid the enterprises reactive power fine of low power factor caused by electric energy using (according to Ministry of Electric Power and Water Resources, State Price Control Bureau establish the " measures of power factor adjustment expense ").
3)、Avoid the high-energy consumption enterprises are implemented differential prices because of the changes of national power regulation.
4)、For the standard-conforming large-scale (saved energy equal 10 thousand tons standard coal or more) energy-saving technological transformation projects, China will reward the enterprises for energy saving which based on the "Financial Incentives Interim Measure for Energy-saving Technological Transformations" established by Ministry of Finance, the National Development and Reform Commission.( Amount of 200 yuan / ton of standard coal).
5)、Equipments recovery period is generally 3-4 years, each period payment equal to the amount of current energy-saving benefits, and equipments service life are 15 years, so enterprises will gain huge energy-saving benefits.
2、Implementation Process
Energy Audit
Energy Saving Program Design
Construction Design
Equipments Manufacture
Construction and installation
Maintenance and Repair
Energy Monitoring and Efficiency Insurance
Recovery of Program Investment
3、Program Features
High energy-saving efficiency
The project saving rate is generally 10% -30%, highest is up to 70%.
Clients Zero Investment
All works of design, audit, manufacturing, construction, monitoring are handled by RXPE, clients does not require investment.
Energy-saving Guarantee
RXPE promises the amount of energy saving, ensuring that clients’ cost reduction immediately.
Short Investment Recovery Period
The investment recovery period is short, average period is 3-4 years.
Low Risk
Customers do not input large sums of money also can enjoy professional energy-saving products, technologies and services, and the investment risk is very low.
Improvement of Cash Flow
Customers with the support of RXPE approve energy-saving program to improve cash flow, invest the limited funds into other priority investment areas.
Enhance competitiveness through implementing energy conservation, improving energy-saving efficiency, reducing energy costs and enhancing the quality of environment, establish green corporate image and enhance market competiveness.
- Q: The inverter is running independently
- Principle of operation The main circuit is to provide asynchronous motor to the frequency conversion power supply part of the inverter, the main circuit of the inverter can be divided into two categories: voltage is the voltage source of the DC converter for the exchange of the inverter, DC circuit filter Is a capacitor. Current type is the current source of the DC into AC inverter, the DC loop filter is the inductance. It consists of three parts, the frequency power supply is converted to DC power "rectifier", absorbing in the converter and the inverter voltage ripple "smooth circuit." The basic composition of the rectifier unit: the fixed frequency of alternating current converted to direct current. High capacity capacitance: store converted energy. Inverter: high-power switching transistor array composed of electronic switches, the DC into different frequency, width, amplitude of the square wave. Controller: According to the set program work, control the amplitude of the output square wave and pulse width, so that superimposed as an approximate sine wave AC, drive AC motor.
- Q: What is the principle and implementation of the inverter?
- How the inverter works: 1. DC can be converted into alternating current through the oscillation circuit 2. The resulting AC power is then boosted by the coil (in this case, the alternating current of the square wave) 3. Rectify the resulting alternating current to obtain a sine wave
- Q: 11kw 6-pole motor can be used to adjust the inverter to 1800RPM?
- Frequency converter in the 5-50Hz is constant torque frequency, 50-100Hz is constant power frequency, to see what you want to get the effect
- Q: What is the frequency converter used to do, why some motor with the inverter?
- Speed control, there are speed requirements of the place are in the inverter
- Q: What is the difference when using inverter frequency conversion ordinary motor and variable frequency inverter motor
- First of all you have to understand the difference between variable frequency motor and ordinary asynchronous motor. 1, inverter motor cooling fan is not connected with the motor spindle, is independent, the fan rotation from the motor speed, to ensure that the motor cooling.
- Q: Variable frequency conversion frequency difference characteristics based on,
- Pole is the pole pair. So that the synchronous speed has changed, you can speed, but can not smooth speed.
- Q: The inverter flat rate transferred to 29, on the submersible pump to burn the coil ?!
- 1. submersible pumps are generally the problem, far away from the reflection voltage, the pump insulation breakdown, in particular, to better pump. 2. Distance away, the inverter and pump connection thicker. 3. Then on the output filter.
- Q: How to learn the inverter debugging and design parameters
- Personally think it is relatively simple, and now the inverter has been more intelligent, and some simple applications, and even do not need to set the parameters.
- Q: Siemens g120 inverter torque limit what is the meaning
- Torque is a strain, the inverter can not actively control the output torque size, only according to the size of the load demand torque, the output of the corresponding torque.
- Q: First reduce the frequency of about one-third of the test, not the case, then appropriate adjustments!
- In the inverter in the following 18.5kw inverter will bring their own braking unit for some special occasions, such as the inverter at high speed due to production needs, must be 1 second, or less time to stop, in the stop when the frequency The internal DC bus voltage is too high, the inverter will be reported over-voltage fault, in the positive and negative connected bk-dk connected to a resistor to the inverter discharge, the inverter will not report over-voltage failure
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High Medium Voltage Drive 4.16KV 3000KW VFD
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 pc
- Supply Capability:
- 10000 pc/month
OKorder Service Pledge
OKorder Financial Service
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