Fire Protection Engineering Ashburn Chicago2018-11-24T07:45:56+00:00

Fire Protection Engineering in Ashburn Chicago

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When you’re looking for a fast responding Fire Sprinkler Systems Design Services in Ashburn Chicago Illinois? Your best bet is to reach out to is New York Engineers. Not only for Fire Sprinkler Systems Design Services but also Construction Engineering and HVAC Firms near Chicago. Call 312 767.6877

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Value Engineering Examples In Construction

For sometime now when you approach any contracting company or developer form Belmont Central to South, about a affordable Value Engineering in Chicago, the most popular answer is reach out to New York Engineers. What’s so well known is that New York Engineers is probably your top choice for anyone looking for a fire sprinkler engineer in Ashburn Chicago. At NY-Engineers.Com our team has many years of experience designing fire protection and sprinkler systems from Bay Shore to Lake Ronkonkoma, New York. Today, from our Chicago office we are helping contracting company and builders in Ashburn Chicago design the fire protection and sprinkler systems they need.

The possibility of a building burnt down due to fire is actually a sight that no one wants to enjoy. That is why fire protection engineers are hired before a building or apartment is built. When you are wondering who needs fire protection engineer, then this first name that you ought to know may be the architect of the building. Much like an architect is vital to ensure that the design of the property is perfect and protected from all ends; a fire protection engineer ensures that the property remains safe and secure from possible odds of fire.

Getting fast response from the firefighting professionals is alright but wouldn’t it be great if a fire never happened? You need to imagine “what if” as an alternative to going through the horrendous experience of the building being on fire. Fire protection engineers glance at the model of the construction first and then ma the escape routes to be used in a fire. Additionally, they are responsible for connecting many fire protection items inside and outside the structure. Water hoses and pipes linked to the main water supply, and checking the fitness of the fire extinguishers are a few of the duties which the fire protection engineer carries out if they are hired.

Difference Between Ashburn Chicago Fire Sprinkler Tech versus Protection Engineers

The Society of Fire Protection Engineers includes a precise concept of Fire Technology versus Protection Engineers. The two positions demand a solid education in fire technology and experience as a firefighter typically.

The engineers use principles to utilize systems and methods setups in several buildings that help protect people and things from harm during fires. Engineers analyze possibilities of where biggest fire hazards lie and where to implement protection such as sprinklers. They make certain that the utilization of structures as well as any materials in them are designed to keep dangers to a minimum.

Engineers will likely oversee the connection and repair of alarm systems, smoke detectors, and definately will carry out investigations of fires after one occurs. This assists them avert such incidences from occurring in the foreseeable future.

This sort of title employs scientific principles to help you enhance the safety of individuals in homes and offices. A fire technician works to do the testing and maintenance of the systems which were arranged and outlined with the engineers.

These folks should also hold the best education and firefighting training to function within the field. They may work to aid install sprinklers and fire alarm systems nonetheless they tend not to make the layout of the systems just like the engineers do. Even with all of this information you would like additional information about fire protection engineering services in Ashburn Chicago by New York Engineers you should stop by 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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