Delta's inverter energy-saving method is mainly manifested in the application of fans, pumps, and hoists. In order to ensure the reliability of production, all kinds of production machinery are designed with power drive, and there is a certain amount of surplus.
Power factor compensation energy saving, reactive power not only increases the line loss and the heating of the equipment, but also the reduction of the power factor leads to the reduction of the active power of the power grid, a large amount of reactive energy is consumed in the line, the equipment is inefficient, the waste is serious, after the use of frequency conversion speed regulation device, due to the effect of the internal filter capacitor of the frequency converter, the reactive power loss is reduced, and the active power of the power grid is increased.
Special energy-saving inverter, mainly used in injection molding machines, air compressors. It can save energy by 15%-60%, which greatly reduces the production cost of enterprises.
In fact, the energy-saving effect of the inverter is innate. Soft start energy saving, motor hard start to the power grid caused a serious impact, but also will be too high requirements for the power grid capacity, the start of the large current and vibration to the baffle and valve damage to the baffle and valve is extremely unfavorable, to the equipment, the service life of the pipeline is extremely unfavorable. After using the inverter energy-saving device, the soft start function of the inverter will make the starting current start from zero, and the maximum value will not exceed the rated current, which reduces the impact on the power grid and the requirements for power supply capacity, prolongs the service life of equipment and valves, and saves equipment maintenance costs
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Problems with Delta's compact pressure transmitters
1. The transmitter does not return to zero under no pressure?
Answer: The cleaning method is to remove the transmitter from the device position, investigate whether the zero position is normal, and replace the pipeline sealing ring if it is normal. Check together whether the transmitter is perpendicular to the piping assembly, and if not, adjust the transmitter zero.
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Delta's inverter speed regulation application site
Inverter is a kind of speed regulating device, where to use the motor speed regulation, especially asynchronous motor speed regulation, will use the inverter, now mainly in industrial equipment has been used on a large scale, because the motor is the heart of the industry, and the three-phase asynchronous motor occupies the vast majority of the share, ...
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Precautions for long-term idle inverter - Delta inverter
If the inverter is to run the equipment again after being shelved for more than half a year, the probability of damage may be greatly increased due to many factors such as the placement environment, the service life of the inverter, and the load rate, and the failure usually presents the following problems:
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Method for measuring temperature rise during reducer operation - Delta
The thermometer method and resistance method can be used to measure the temperature rise of each part of the reducer.
1) Thermometer method: This is the easiest way to measure the temperature directly, and it is commonly measured by an alcohol thermometer. When measuring, the thermometer can be placed close to the ...
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Precautions for initial installation of Delta inverters
Delta's inverters should be thoroughly inspected for the first time or after long-term installation. The items and methods of inspection are as follows:
1) Check whether the Delta inverter is damaged, whether the metal parts are rusty, and whether there is frost. If there is frost and condensation, it should be dried for 4 hours (60°C) or ...
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Delta touch screen models and advantages
Human Machine Interface (HMI) is a digital product that allows operators to communicate with automation equipment. The human-machine interface provides a variety of communication ports to facilitate communication with a variety of equipment, and the touch panel allows the operator to intuitively set parameters.
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Workarounds for industrial tablet PC disk failures
After the long-term operation of the industrial tablet, there is a lot of dust in the chassis and the temperature of the chassis is high. At this time, it is very simple to cause the disk failure of the industrial tablet computer, the product quality problems of the hard disk itself and the failure problems caused by the working environment.
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Common knowledge points of Delta inverters
1. How to set the acceleration and deceleration time of Delta inverter?
Solution(s):
The acceleration time of Delta's inverter is the time it takes for the driver to accelerate from 0.0Hz to "high operating frequency". Deceleration time refers to the deceleration time required for the inverter to decelerate from "high operating frequency" to 0.00Hz.
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Inverter application for heat dissipation to solve the precautions - Delta
The transformer DC resistance tester uses the 32-bit ARM core as the core of processing, controls the whole machine, and automatically completes the functions of self-calibration, current stabilization judgment, data processing, resistance value display, etc., and can measure the DC resistance of various types of transformers and transformers.
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Solution: Delta's inverter operation error
There are many setting parameters of the inverter, each parameter has a certain selection scale, and the inverter can not work normally due to the improper setting of a single parameter is often encountered in the application, therefore, the relevant parameters must be set correctly.
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Delta's M series inverter communication parameter address problem
In Delta's M series inverters, the parameter address 2000H corresponds to abort, start, JOG, and forward, rotation, and change direction. Why is "aborted" at the time of writing the program H01, "start" is H10, "forward" is H12, and "rotation" is H22.
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Delta's C-series evolution is complete—C2000+ inverter
Those who know more about Delta's automation know that Delta's inverters have two main series: "M300" and "C2000".
"Compact Inverter M300 Series": This series has been introduced many times before, including ...
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Introduction to Constant Power and Constant Torque in Frequency Conversion Speed Regulation - Delta
In general, factory motors are based on the additional speed values obtained at a given power frequency voltage (380 V, 50 Hz). If 380V is not reached under actual operating conditions, e.g. as long as 300V, 50 Hz, the voltage is significantly undervoltaged. Fundamentally, it cannot reach the extra rev value, due to the ...
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Whether the inverter needs to be added to the line - Delta
The role of the "communication input reactor" of the inverter input device is mainly to improve the power factor of the communication power supply on the communication side of the input side; It is useful to eliminate the higher harmonics on the input side to avoid damage to other electrical equipment caused by voltage distortion; Eliminate the three-phase AC power phase ...
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Synchronous control parameter setting method for two or more inverters - Delta
Step 1
Two inverters, two wires, and one power supply.
Step 2
The inverter wiring defines the two inverters as a master and a slave respectively, the host port 485A is connected to the slave port 485A, and the host port 485B is connected to the slave port 485B.
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The inverter has a built-in PLC function - Delta
PLC progressive scanning standard work preparation.
Abundant programming language: instruction statements; ladder diagram; SFC。
Abundant instruction statements: 45 instruction varieties, including 28 root instructions and 17 usage instructions.
350 step law capacity.
uS-level root directives ...
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What are the series of Delta inverters?
1：VFD-EL，VFD-S，VFD-L，VFD-C200
Voltage 220V, 380V, power scale 100W-7.5kw
The above series are Delta's simple inverters, commonly known as economical inverters, which are used for small fans and pumps, conveyor belts on food and pharmaceutical machinery, etc., and are used for abbreviated ...
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Characteristics of common models of Delta inverters
Delta MS300 Inverter Series: Delta's compact standard vector-operated inverter MS300 combines the advantages of miniaturization, high functionality, high trust, and simple installation, transforming every investment in industrial resources into abundant results. Optimized structure with lock-free screw terminals to plan the supply of bento ...
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Troubleshooting of small electromagnetic relay cores - Delta
The main problems of the iron core of the small electromagnetic relay are that the armature cannot be sucked after being electrified:
This may be due to broken coils, foreign matter between the moving and static cores, and low power supply voltage. It should be patched on a case-by-case basis.
When energized, the armature is noisy:
This may be because of the ...
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The basic methods and steps of inverter debugging - Delta inverter
1. No-load energizing test of inverter
1. Ground the grounding terminal of the inverter.
2. Connect the power input terminal of the inverter to the power supply through the leakage maintenance switch.
3. Check whether the factory display window of the inverter is normal, if it is incorrect, it should be reset, no ...
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