Fire Sprinkler Engineering in Arlington Heights

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In search of a top rated Fire Sprinkler Plumbing Design Experts near Arlington Heights Illinois? The one to go to is New York Engineers. Not only for Fire Sprinkler Plumbing Design Experts but also MEP Engineering and HVAC Firms near Chicago. Call (312) 767.6877

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Solicit any contracting company or building owner anywhere from Evanston Chicago to Wrightwood Neighbors, and have them refer you a professional Construction Engineering in Chicago, and the majority will say contact NY Engineers. What’s not very well known is that NY Engineers also your best bet for anyone looking for a fire protection engineer in Arlington Heights. To be honest there is no shortage of architectural engineering or sprinkler system engineering companies in Arlington Heights. However, when it comes to dependability is always best to choose a from like NY Engineers.

When you are ready to plan the making of a building, one of the primary professionals you should check with is called a fire protection engineer. These are people who are knowledgeable about design protections and risks that ought to be measured. They are able to assist in the design of any building, confirming that you will have the cabability of control, as well as avoid, fires which can be catastrophic. They generally deal with building owners, architects, and developers that are responsible for the building of a whole new building or home. Many reason exist for employing a fire protection engineer that you need to consider.

Why you need to hire one of those pros – There are two main reasons for getting a fire protection engineer. To begin with, you must make sure the care of everyone who will ultimately be at that building on a regular basis. Finally, it is very important to have as many possible possible protections into position in case a fire breakout. Everything that they suggest is going to be considered by developers, and afterwards integrated into the actual building. If getting a fire protection engineer is the next step of your respective project, you can easily find several of them that can help you out.

What Is The Meaning Of Fire Protection Engineer in Arlington Heights?

The meaning of fire protection engineer is the study of fire in relation to our built-up environment and the way architectural design influences the reasons and spread of fire. Besides, this discipline of engineering involves using engineering principles (mechanical, chemical, electrical, and civil engineering), chemistry, physics, material science, technology to apply underlying fire suppression system which protects both humans and also the property in question.

In connection with this, fire protection engineering is really a field and study which is associated with saving property and lives from disaster way before fire emerges. Fire protection engineers apply their knowledge and experience to influence just how the fire suppression system in the building happens. To this particular end, they are going to have a say in the appearance of a building, the materials employed in the making of the construction, and the building layout. Importantly, a fire protection engineer could have input regarding fire discovery and suppression method used.

Their efforts ensure that whenever a fire arises, the suppression system functions to control the fire effectively, giving time for anybody in the building to get to safety. Furthermore, the suppression system that is choosen should hinder the spread of fire, negating the possibility of the fire spreading a lot more. There is a great possibility you would like additional information on fire sprinkler design engineer services in Arlington Heights by NY Engineers you should take a look at our 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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Fire Sprinkler Design Engineering in Arlington Heights When you re searching for a competent Fire Sprinkler Plumbing Design Experts in Arlington Heights Illinois? The one to go to is NY-Engineers.Com. Not only for Fire Sprinkler Plumbing Design Experts but also Mechanical Engineering and HVAC Chicago. Contact us at (+1) 312 767-6877 Nowadays when you ask any general contractor or building owner anywhere from Lakewood Balmoral to North Lawndale Chicago, about a [...]

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