#VFD/Soft Starter Programming

[aknitechautomation]

With Aknitech Automation's VFD/Soft Starter programming services, you get customized and efficient solutions for motor control and energy efficiency in your industrial applications.

VFD/Soft Starter Programming Services

[climavenetam]

Compressor Starters In Chiller

Motor starters are used to handle the high electrical current that motors draw momentarily when they are started from a standstill. The starters are also used for protecting the motors from the excessive heat of overloads during regular operation. Motor starting current can be several times of what the motor draws at its operating speed. Usually a fuse or circuit breaker will be used along with the starters, for protection.

These are the type of starters widely used for compressors.

1. DOL- Direct Online Starter

2. Start Delta Starter

3. Soft Starter

4. VFD – Variable Frequency Drive 

DOL Starter

These starters are used for smaller motors wherein the normal voltage is supplied through the contactor on/off mechanism. The starting current is usually high in these type of starters i.e. 3 to 5 times the full load current.

Star Delta Starter

The motor is initially started with a star-connected stator winding. Once the motor reaches a certain speed or a certain amount of time has passed, the motor will run in the normal delta-connected stator winding. Starting with a star connection reduces the voltage across each winding and also decreases torque. The switch from star to delta is about 5-7 seconds and this results in a spike during the transition. Typically start delta starters are offered for 7.5 KW motors & above which are typically application dependent.

Soft Starter

Soft starter continuously controls the motor’s voltage supply during the start-up phase. This way, the motor is adjusted to the machine’s load behavior. Mechanical operating equipment is accelerated smoothly.

Comparison of Star Delta Starter and Soft Starter

Number of States: Star delta starters  have two states i.e. low voltage, and full voltage, that the starter transitions. Soft starters, on the other hand, start-up gradually. They can have infinite states within the limits of the controlling electronics and startup requirements.

Starting Time: StaSoft starters allows control of  the starting time, while star-delta starters do not. Switch from star to delta takes 5-7 seconds with a spike during transition.

Torque Control: Soft starters offers dynamic torque control, while star-delta starters,  can’t adjust the starting torque.

Open Transition and Power Loss: With star-delta starters, between the star and delta connection, there is an open transition that can result in current transients and high torque.  With soft starters, there is no such open transition and no power loss.

Variable Frequency Drive (VFD)

A variable frequency drive controls the speed of an AC motor by varying the frequency supplied to the motor.

The drive also regulates the output voltage in proportion to the output frequency to provide a relatively constant ratio of voltage to frequency (V/Hz), as required by the characteristics of the AC motor to produce adequate torque.

Advantage of VFD

Power savings is the principal advantage of any VFD.

The starting current of any motor is minimal which translates to a lower load on the captive power mechanism..

Complete control over motor speed can be achieved using VFDs.

VFDs can be programmed to vary the speed of the motor it controls, based on load factor.

Dynamic torque control and perfect speed control.

Advanced overload protection.

For more details visit us!

https://in.climaveneta.com/en?utm_source=Off-page&utm_medium=Organic&utm_campaign=Article

[manufacturercontrolpanels]

Manufacturers of PLC & Drive Control Panel in Telangana and Andhra Pradesh

We are one of the reputed companies engaged in offering a commendable range of PLC (Programmable Logic Controller) Drive Control Panel to the esteemed customers. We manufacture these control panels by making use of superior grade raw material that is procured from the most certified vendors of the industry.

Our panels are well accredited in the market for their attributes like high performance, low noise drive and longer service life. Our range comprises PLC Control Panels, DC Drive Control Panels and AC Drive Control Panels that can be availed in various sizes and other capacities.

 The entire Programming and Commissioning ream is In House.

 What is a VFD control panel?

Sometimes your work space is dusty, dirty, wet, humid, corrosive, or hot. In those harsh environments, you cannot just mount your VFD exposed. You need a VFD Control panel – an enclosure that protects the VFD and other electric components.

 What is a VFD control panel used for?

Keeping  all components in one panel

Keeping  dust, dirt, and weather out of electrical parts

A complete motor control solution (bypass, harmonic filtering, etc.)

 What is typically inside a VFD control panel?

There are many components you can put inside a VFD control panel. Here are some examples of what you might find:

VFD – The     main component of the motor control  panel. The VFD inside will vary in voltage, horsepower, full load amps  (FLA), and other specifications. Sometimes you may find redundant VFDs installed in case of a VFD failure.

Line reactors – 3% or 5% to reduce harmonic distortion

Harmonic filters – a more effective way to reduce harmonic distortion

Circuit breaker – protects the electrical circuit from overload or short circuit

Bypass –  keeps the system running even if the VFD fails

PLC –   Programmable Logic Controller –  for more advanced operations

Modem –  for communication purpose

AC or  other cooling units –  keeps the panel at a certain temperature     depending on surrounding environment

Soft-starter  –  starts motor slowly but without speed control

Surge protector – protects the system from voltage spikes

Multiple motor overloads – an option  for powering  multiple motors off     one VFD, typically used on fan walls

Anti-condensation heater (available in NEMA 3R panels) – eliminates the buildup of dew inside the VFD panel

Motor starters – for running motors across the line

[climavenetam]

Compressor Starters In Chiller

Motor starters are used to handle the high electrical current that motors draw momentarily when they are started from standstill. The starters are also used for protecting the motors from the excessive heat of overloads during regular operation. Motor starting current can be several times of what the motor draws at its operating speed. Usually a fuse or circuit breaker will be used along with the starters, for protection.

These are the type of starters widely used for compressors.

1. DOL- Direct Online Starter

2. Start Delta Starter

3. Soft Starter

4. VFD – Variable Frequency Drive 

DOL Starter

These starters are used for smaller motors wherein the normal voltage is supplied through the contactor on/off mechanism. The starting current is usually high in these type of starters i.e. 3 to 5 times the full load current.

Star Delta Starter

The motor is initially started with a star-connected stator winding. Once the motor reaches a certain speed or a certain amount of time has passed, the motor will run in the normal delta-connected stator winding. Starting with a star connection reduces the voltage across each winding and also decreases torque. The switch from star to delta is about 5-7 seconds and this results in a spike during the transition. Typically start delta starters are offered for 7.5 KW motors & above which is typically application dependent.

Soft Starter

Soft starter continuously controls the motor’s voltage supply during the start-up phase. This way, the motor is adjusted to the machine’s load behavior. Mechanical operating equipment is accelerated smoothly.

Comparison of Star Delta Starter and Soft Starter

Number of States: Star delta starters  have two states i.e. low voltage, and full voltage, that the starter transitions. Soft starters, on the other hand, start-up gradually. They can have infinite states within the limits of the controlling electronics and startup requirements.

Starting Time: StaSoft starters allows control of  the starting time, while star-delta starters do not. Switch from star to delta takes 5-7 seconds with a spike during transition.

Torque Control: Soft starters offers dynamic torque control, while star-delta starters,  can’t adjust the starting torque.

Open Transition and Power Loss: With star-delta starters, between the star and delta connection, there is an open transition that can result in current transients and high torque.  With soft starters, there is no such open transition and no power loss.

Variable Frequency Drive (VFD)

A variable frequency drive controls the speed of an AC motor by varying the frequency supplied to the motor.

The drive also regulates the output voltage in proportion to the output frequency to provide a relatively constant ratio of voltage to frequency (V/Hz), as required by the characteristics of the AC motor to produce adequate torque.

Advantage of VFD

Power savings is the principal advantage of any VFD.

The starting current of any motor is minimal which translates to a lower load on the captive power mechanism..

Complete control over motor speed can be achieved using VFDs.

VFDs can be programmed to vary the speed of the motor it controls, based on load factor.

Dynamic torque control and perfect speed control.

Advanced overload protection.

For more details visit us-