MEP Engineering Services in New Chinatown Chicago, IL.

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Developers throughout Plattsburgh, New York have come to depend on NY-Engineers.Com for a wide range of engineering services ranging from Mechanical Engineering to Engineering Reports. For this reason real estate investors in New Chinatown Chicago will tell you that if you are looking for a dependable MEP Engineering firm in New Chinatown Chicago, Illinois you need to consider NY Engineers.

No doubt, you may have walked through any specific kind of building and witnessed the outcome of MEP Engineering. To put it simply, MEP focuses in the mechanical, electrical and plumbing facets of engineering. Essentially, the name already gives rise to the most prevalent and precise theory of exactly what is MEP. Our article may go into some details of what is MEP Engineering.

As far as the mechanical side is concerned, for both residential and commercial engineering, this works with anything that moves. Moreover its entails the usage of complex and simple machines and also other mechanical mechanisms to execute certain tasks. Some normal mechanical engineering tasks which is often noticed on a day to day bacis are kitchen or bath exhausts, HVAC units, cooling and heating air systems, heating & cooling equipment and systems which handle boosting the energy efficiency.

The electrical part of construction is centered on the electrical safety, functions, components, and even more importantly, the wiring associated with a building. Engineers in this particular branch try very hard to make certain that the schematics of a building are meant to bring enough electricity to every component in a safe manner where all of the electrical codes are followed. Some common electrical engineering functions can be found in the lighting design, regulating the voltage and allocating the power to every component inside the structure that demands a supply.

So far as plumbing, there is certainly a variety of plumbing components that constitute the final design of any building. Plumbing engineering goes deeper than just faucets, toilets, and sinks, and holds many behind the scene devices. These being the sewage and drainage lines plus the buildings household water supply and the way it flows.

As we conclude this article we have just looked at what is MEP Engineering. MEP Engineering is administered within the construction industry. And, supports completing the simply ignored technical facets of any building.

Hiring an MEP Engineering Firm in New Chinatown Chicago is Essential for Large Construction Projects

Employing an MEP engineering firm in Brighton Park Chicago, Illinois, could have everything to do with the achievements of your construction project. These engineers may help offset the price of making this kind of hiring decision when it comes to energy upkeep alone. When you are speaking about huge commercial buildings, energy conservation is really a topic of discussion. It’s time to learn a few other great causes of hiring MEP engineers in Central Station Chicago, Illinois.

Engineers play an important role in the physical reliability of any building. As you can well envision, this means the unseen is very vital. Design not simply deals in looks but the base of a building also its components. That is merely another solid logic why hiring an MEP engineering firm will be useful to any project.

Think of all of the pipes and plumbing. Look at the heating and cooling systems and how important it is to get all its mechanics inside the precise places. Energy saving was stated, however energy efficiency is an additional vital term to bring up. Energy competence is about your HVAC system, plus it plays an important role in energy maintenance overall.

Take into consideration your building’s shell. Consider setting up security alarms and also the safety and security measures set up throughout the structure. With everything described to date, it’s safe to say that many facets of building construction could be either disregarded or minimized short of MEP engineers at the job.

Now with all you know you will look to find the best MEP engineering firm available, right? It’s pretty clear how the best engineers really need to be in the massive building of commercial buildings. Tailor made is the proper term to utilize to illustrate just how these pros will covert a construction job to meet the needs of the operations. Even with all of this information you would like additional information about the MEP Engineering services in New Chinatown Chicago, IL by NY Engineers you should visit at our New Chinatown Chicago Construction Administration blog.

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Ask an Electrical Engineering Professional: Are My Electric Motors Well Protected?

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Electric motors are normally out of sight, but they perform many important functions in residential, commercial and industrial buildings. Electric motors are used to drive air handlers, chillers, furnace blowers, water pumps and elevators, to name a few examples. For this reason, it is an important part of electrical engineering to keep them in optimal operating condition, and an important aspect of safe motor operation is providing them with reliable electrical protections.

Three-phase electric motors are normally used for mid- or large-sized equipment, and they are characterized by operating with three live conductors. These motors require specialized protections due to their connection. In smaller applications, such as fractional horsepower fans, single-phase electric motors are normally used.

These use either two live conductors, or a live conductor and a neutral conductor.

Motor faults are almost always disruptive because key equipment is taken out of operation. Also consider that electric motors are expensive, so it is in the best interest of property management companies to avoid replacements. In a few words, adequate motor protection pays off in the long run.

This article will provide an overview of the main electrical issues that threaten motors, and how to provide protection against them. If you are planning a major building renovation, it represents a good opportunity to upgrade motor equipment and improve electrical protection.

Protection Against Major Electrical Faults With Proper Electrical Engineering

Some faults cause the electrical current of a motor to increase drastically to many times its normal value. These faults must be disconnected immediately, or they cause irreversible damage to the motor, while being capable of starting a fire.  The electrical current can reach extremely high values under the following circumstances:

  • Contact between a live conductor and a neutral conductor.
  • Contact between a live conductor and a grounded surface or conductor.
  • Contact between two or more live conductors.

These faults cause what is called a short circuit in electrical engineering: a low-resistance connection between two points at different voltage values, which causes an extremely high current – often with magnitude in the thousands of amperes.

Motor protections use a magnetic tripping mechanism to clear these dangerous faults. The short circuit current induces a strong magnetic field through an electromagnet, which in turn forces a contact to open, disconnecting the motor from its power supply.

Electric motors draw a high inrush current when they start, which can reach values up to 800% of the motor’s rated current. This is normal behaviour and it only lasts for brief moments while the motor starts rotating, so it does not count as a fault. Motor protections must be sized to allow the inrush current, while clearing anything higher.

Protection Against Motor Overload

An overload is a less drastic type of fault where the motor is drawing current above its rated value, but only by a slight margin. However, overloads cause electric motors to heat up excessively, which shortens their service life.

Unlike short circuit protection, which is instantaneous, overload protection has a built-in time delay. This allows short-duration currents above the rated value that are normal in some types of equipment, such as the inrush current when a motor starts. In fact, if the motor fails to start for any reason, such as an obstacle locking the shaft or excessive load, the overload protection activates and disconnects the motor.

Overload protection acts faster as the current magnitude increases, which means a current slightly above the rated value may take minutes to be cleared, while a drastic overcurrent may be cleared in seconds. Currents that are high enough to activate the short-circuit protection described in the previous section cause immediate disconnection.

Overload protection can be either thermal or electronic. When it is thermal, it is based on a contact that expands with heat: more current causes more heat, and more heat causes a quicker disconnection. On the other hand, electronic overload protection uses a programmed response with the same behavior as the thermal protection, and the current is measured to determine how fast the contact will open.

Protection Against Voltage Changes

Motors have a rated voltage value, but they normally tolerate a variation of 10% above and below this value. However, the operating voltage should be as close as possible to the rated value to ensure optimal performance. When the voltage supplied to a motor is too low or too high, it draws a higher current, which overheats its windings and shortens its service life.

There are special overvoltage and undervoltage relays that measure the voltage being supplied to the motor and disconnect the power supply if the voltage falls outside the acceptable range. These relays are often adjustable, so it is important to establish a reasonable voltage range:

  • A range that is too narrow above and below the rated voltage may result in unwanted motor disconnections, since even minor voltage variations result in disconnection.
  • However, a range that is too broad does not provide adequate protection because the voltage is allowed to change drastically.

Protection Against Phase Loss and Phase Imbalance

Single-phase motors shut down when one of their conductors is disconnected, even if the other remains, since there is no path for electric current. On the other hand, three-phase motors can continue operating with only two-phase conductors, but this is extremely demanding for the motor and shortens its service life. Keep in mind that interrupting the voltage to any phase conductor has the same effect as disconnecting the conductor – the motor is left with a voltage supply in only two of its three terminals.

A related issue is phase imbalance, which occurs when the voltage supplied to a three-phase motor varies drastically between phases. Phase imbalance causes the motor to produce more noise and heat, while decreasing its efficiency and service life. Ideally, phase imbalance should be kept below 2% for optimal motor performance.

Phase monitors are devices that track the phase voltages of a motor and can be integrated with a contactor to disconnect the motor in the event of excessive imbalance or phase loss.

Conclusion

Adequate motor protection can be considered an investment in electrical engineering, since it prevents damage to expensive equipment. It also makes building interiors safer, since electrical faults with the potential to start a fire are cleared before they have a chance to do so. By working with qualified electrical design engineers, you can make sure all your electrical motors are specified with reliable protections and installed according to the codes relevant to your area.

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2018-09-08T23:28:26+00:00