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5 steps to find the right frequency converter

March 1, 2023
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5 steps to find the right frequency converter-0

Everyday frequency converters prove their high level of energy efficiency and wide functionality. Many of us probably don't even realize how many different processes use them. Frequency converters are widely used, starting with ventilation systems in educational institutions right here in Latvia, ending with oil pumps in Saudi Arabia. In short, wherever it is necessary to control electric motors.

Like all electronic equipment, frequency converters cannot be used forever. Each equipment has its own lifespan. It often happens that an unforeseen accident occurs and electrical equipment fails. On deeper examinations, the specialist finds that the frequency converter is damaged.

Technicians have desperate questions: How long will the equipment be shut down? Is it possible to do without a frequency converter? Need to buy a new one? Sometimes it's enough just to repair by replacing parts. However, it often happens that repairs are not possible, because the necessary components are not available and you have to wait several weeks or even months to get them. If this option is not acceptable to the management of the company, then the damaged frequency converter must be replaced with a new one. But this process is not as simple as going to the store for bread. In the following article, we have put together 5 steps that will make it easier for you to replace a damaged frequency converter.

5 steps to find the right frequency converter

Here are 5 steps that will help you quickly find a similar frequency converter and avoid getting confused in a wide range of offers.

  • Step 1 - Find the model code on the old frequency converter. Under the code is all the necessary technical information about the corresponding model (current, power, voltage, number of phases, etc.)
  • Step 2 - Find engine specifications. This information can be found in the engine data sheet or on a plate on the engine housing.
  • Step 3 - Application of frequency converter. It is selected according to the required load conditions, for example when controlling pumps, fans or industrial drives.
  • Step 4 - Find technical documentation. There are many options for adjusting the motor speed with a frequency converter. The wiring diagram or technical documentation shows how the motor is controlled.
  • Step 5 - Contact the manager. Finally, send the above information to the sales assistant. Having received this information, we will be able to choose the most suitable and cost-effective solution for you.

Who repairs the frequency converter?

If your company does not have specially trained personnel who can carry out repairs, you can use ZTF Lāsma's services. We offer various types of repair of industrial electronics, including repair of frequency converters. We eliminate defects and repair frequency converters up to 800 kW. Our services include testing displays and control panels, testing power circuits, troubleshooting, and reading and entering parameters. We change or restore IGBT and rectifier modules, restore control channels.

A series of frequency converters from Invertek Drives:

Experience shows that by installing frequency converters for their customers, companies on average save between 30% and 50% of their electricity consumption per year. If you need frequency converters or accessories, please contact ZTF Lāsma specialists who will help you find the most suitable and cost-effective solution. We are here to support!

Below we offer a look at the series of frequency converters of our long-term cooperation partner Invertek Drives:

  • Easy control for all motor types -> Invertek Optidrive E3 (0.37 kW to 37 kW);
  • Advanced motor control for demanding applications -> Invertek Optidrive P2 (0.75 kW to 250 kW);
  • Energy-efficient Fan control -> Invertek Optidrive Eco HVAC (0.75 kW to 250 kW);
  • Energy-efficient Pump control -> Invertek Optidrive Eco Pump (0.75 kW to 250 kW);
  • Smooth Elevator control -> Invertek Optidrive Elevator (0.75kW to 37kW).

ZTF LASMA has a wide range of power frequency converters in its warehouse, which can be obtained immediately within a few hours or by pre-ordering with delivery up to 5 working days.

 

Other articles and videos about frequency converters:

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Contact the manager
Mārtiņš Kāns
Mārtiņš Kāns
Project Division Manager
+371 2910 0172
martins@lasma.eu
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