HVAC Engineering Tinley Park, IL2018-10-23T13:37:40+00:00

What Can Our HVAC Engineers in Tinley Park Do For You?

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If you’re looking for a reliable HVAC Firms in Chicago? The one to go to is New York Engineers. Not only for HVAC Firms in Chicago but also Architectural Engineering and Sprinkler Design Engineering in Tinley Park. Call (+1) (312) 767-6877

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Since 2011 a lot of developers throughout Elmont, NY already know that New York Engineers is the engineering company to call if you are searching for Construction Engineering in New York City. What a lot local construction companies have not realized is the New York Engineers is also your top choice if you are searching for HVAC Engineering services in Tinley Park, IL. Those who want to learn more about what Tinley Park HVAC design engineers do? It is an exceptional task that come with a detailed listing of duties. An HVAC design engineer will have to go through a number of challenges to resolve the underlying issue. This career requires distinct talent, competence, and the opportunity to control time cleverly.

Once an HVAC personel is licensed to work, they will get employed by an engineering company and begin to functions on various heating, cooling, and refrigeration systems. Their role is to create new and/or additional selections depending on their client’s requests. Each client is going to have an exclusive set of wishes whether or not it is related to building codes or personal performance expectations. Using all of this info, the engineer goes on a journey towards making something that’s eco-friendly, energy-efficient and suitable for the place it might be used in – (residential/industrial/commercial). They usually are liable for the original drafts and overseeing the particular installation.

Generally, an HVAC engineer in Tinley Park will be seen working in a design company or in a consulting firm based on their numerous years of skill. Many engineers move right into a consulting job since they become older and gain a better knowledge of what is required of them.

Comparison: HVAC Engineer vs HVAC Technician

HVAC Engineer and HVAC Technician tend to be mistaken for one another. Still, they do have separate job functions in relation to overseeking HVAC systems. It is vital that you know the difference both as a client as well as a specialist

An HVAC technician in Tinley Park carries a more practical job, which implies they are generally seen visiting a customer’s house to deal with their existing system. They generally keep up with the installations, repairs, and general keep that’s needed every now and then. Almost all of their work is done alongside the buyer, which means they must realize how to interact with people in the correct manner.

By having an HVAC engineer, they are responsible for creating a brand new HVAC system and making sure it meets just what a customer is after. It must fit precisely what the property owner needs whether or not this has to do with their setup, property, or anything else associated with new system. They are also introduced to talk on HVAC designs to make certain all things are in step with the highest standards. This is why they could find themselves passing time in consulting assignments or at neighborhood engineering firms. That is the distinction between these occupation; HVAC Engineer Versus HVAC Technician. Even with all of this information you would like more details on the HVAC Engineering services in Tinley Park, IL by NY-Engineers.Com we invite you to take a look at our Tinley Park Energy Modeling blog.

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Advantages of Electronically Commutated Motors in Electrical Engineering

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Electronically commutated motors (ECMs) can achieve significant energy savings in electrical engineering applications where fractional horsepower is required. Although NEMA Premium Efficiency motors with variable-frequency drives provide the most efficient solution to drive equipment above 1 hp, induction motors are outclassed by ECMs as the rated horsepower is reduced.

What is an Electronically Commutated Motor?

Although ECMs are designed to run with an AC power supply, it is important to note they are actually direct-current motors with permanent magnets on their rotor. Unlike conventional DC motors, which create a rotating magnetic field with a combination of brush contacts and slip rings, ECMs achieve the same effect with a voltage rectifier and an electronic control circuit. As a result, the friction and sparks associated with brush contacts are eliminated, and this is one of the reasons why ECMs are so efficient. They also have a longer service life than brushed motors, since the wear associated with sparks and friction is eliminated. Compared with other common types of fractional horsepower motors, ECMs are the top choice in terms of efficiency:

  • Shaded-pole motors are very common and more affordable, but their efficiency is very poor, going below 20% in some cases.
  • Permanent-split capacitor (PSC) motors have an average efficiency of 40%, which means they outclass shaded-pole motors. In terms of efficiency, they are an intermediate option between shaded-pole motors and ECMs.
  • ECM efficiency is normally above 60%, which means they consume one-third of the energy used by shaded-pole motors on average.

ECMs can also be manufactured with built-in speed control circuits, allowing them to operate at reduced speed without relying on an external VFD. It is also important to note that ECMs do not suffer a drastic reduction in their efficiency when operating below rated RPM. Fixed-speed ECMs are also available for applications where speed control is not necessary.

Electronically Commutated Motors in Electrical Engineering Applications

ECMs are normally the most efficient option in fractional horsepower applications, but they tend to deliver the highest savings when used in air-conditioning and refrigeration systems. Being more efficient that shaded-pole and PSC motors, they also dissipate less heat, and the reduced heating effect helps AC and refrigeration systems operate more efficiently. This effect applies for all air-conditioning or refrigeration components that are found inside the conditioned space, such as air handlers and evaporators.

As an example, assume a cold-storage room has an evaporator unit with five shaded-pole motors, consuming 900W each. They are replaced with ECMs that only consume 300 W each.

  • 600 W are saved per motor, for a total of 3,000 W.
  • However, these 3,000 W are also subtracted from the refrigeration load. If the system operates with a coefficient of performance of 3, an extra 1,000 W of electric power are saved.
  • In other words, this upgrade saves 3 kW in motor power and 1 kW thanks to refrigeration load reduction.

Keep in mind this is just a simple example, and each electrical engineering project requires a detailed analysis to know the exact savings. However, the heating reduction benefit applies for all cases where ECM motors are deployed in air-conditioned or refrigerated locations.

The brushless design of ECMs makes them quieter than their less efficient counterparts, which also provides a comfort advantage. In business applications, the silent operation of ECMs helps employees concentrate better. ECMs are also lighter than other types of fractional horsepower motors, which makes them easier to install.

Electronically Commutated Motors in Ventilation Systems

As previously stated, shaded-pole and PSC motors are inefficient. Also, three-phase motors with VFDs are impractical for fractional horsepower applications, unable to offer the efficiency that characterizes them in larger systems. Ventilation systems represent an excellent opportunity to deploy ECMs, for two main reasons:

  • Fans with fractional horsepower are common, which means they are often driven by shaded-pole or PSC motors.
  • Many fans have intermittent operation, which represents a chance to use ECMs running at reduced speed. For example, running a fan 80% of the time saves 20% of the energy, while running it at 80% speed saves nearly 50%.

ECMs are a highly recommended upgrade for furnace fans, since they can achieve a much more uniform temperature distribution with their speed control, in addition to offering the energy savings that characterize them.

Payback Period of ECM Upgrades

Like with many energy efficiency measures, the financial benefit of an ECM upgrade changes depending on project conditions. The project payback period can only be calculated with precision after a detailed analysis by a professional energy consultant, but in general the following results can be expected:

  • Replacing shaded-pole motors normally yields a faster payback period than replacing PSC motors, since the efficiency gain is higher. Of course, there can be exceptions; replacing a PSC motor that is used frequently may yield higher savings than upgrading a shaded-pole motor that is only used moderately.
  • ECMs can also be an attractive option in appliances that require speed control. Other types of motors may suffer a drastic efficiency reduction at partial speed.
  • As previously mentioned, the energy savings are higher when ECMs are deployed in air-conditioned or refrigerated spaces.

The financial return of an ECM upgrade can also be enhanced if there are incentive programs at the project’s location. The incentive is calculated based on yearly energy savings, at a rate of $0.16/kWh.

Conclusion

Electronically-commutated motors (ECMs) can achieve significant energy savings in fractional horsepower applications, especially when they replace shaded-pole motors. However, like with any energy efficiency upgrade, professional guidance is highly recommended when defining the project scope and specifications.

When upgrading to ECMs, the return on investment is higher in some cases, and it others the payback period may be too long to justify the upgrade. Ideally, upgrades should focus on where the highest return is obtained from each dollar spent upfront. Recruit the help of an electrical engineering expertise to help you properly apply the information shared in this article to your project.

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