HVAC Engineering Old Edgebrook Chicago, IL2018-10-02T09:35:42+00:00

What Can Our HVAC Engineers in Old Edgebrook Chicago Do For You?

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If you re looking for a competent HVAC Firms in Chicago? Your best bet is to call is NY-Engineers.Com. Not only for HVAC Firms in Chicago but also Architectural Engineering and Protection Engineering throughout Old Edgebrook Chicago. Call (+1) (312) 767-6877

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What Do Architectural Engineers Do

For over ten years the majority of construction companies throughout Copiague, New York already know that New York Engineers is the engineering firm to call if you are ooking for MEP Engineering in New York City. What many local property owners have not realized is the New York Engineers is also your best choice if you are searching for HVAC Engineering services in Old Edgebrook Chicago, Illinois. If you need more information on what Old Edgebrook Chicago HVAC design engineers do? This is an exclusive task with an an extensive selection of obligations. An HVAC design personel will have to get through several concundrums to settle the basic issue. This task calls for special talent, professionalism, and the ability to control time wisely.

After an HVAC personel is licensed to function, they will be hired by an engineering firm and begin to operate various heating, cooling, and refrigeration systems. Their role is usually to draw up new and additional choices based on their client’s requirements. Each customer will have a unique set of needs whether or not it concerns building codes or individual performance anticipations. Making use of this information, the engineer goes on a trek towards building something which is energy-efficient, eco-friendly and ideal for the place it might be used in – (residential/commercial/industrial). They usually are in charge of the initial drafts and managing the specific installation.

On the whole, an HVAC engineer in Old Edgebrook Chicago will probably be seen working in a design business or even in a consulting team according to their numerous years of expertise. Many engineers switch into a consulting job as they grow older and achieve a better knowledge of what’s expected of them.

Comparison: HVAC Technician vs HVAC Engineer

HVAC Technician and HVAC Engineer are usually mistaken for the other. However, they have separate job functions with regards to handling HVAC systems. It’s essential to understand the difference both as being a customer and as a specialist

An HVAC technician in Old Edgebrook Chicago is a more hands-on job, meaning they are usually seen visiting a owner’s house to inspect their existing system. They generally handle the repairs, installations, and overall upkeep that is needed ever so often. The majority of their job is done together with the buyer, which implies they should realize how to communicate with people in the correct manner.

By having an HVAC engineer, they are accountable for creating a whole new HVAC system and making sure it fits exactly what a client is after. It has to fit precisely what the property owner wants whether it has to do with their setup, property, or everything else associated with new system. Also, they are introduced to talk on HVAC creations to make sure all things are in line with today’s standards. This is why they are able to find themselves spending time in consulting tasks or at local engineering companies. That is the difference between both of these occupation; HVAC Engineer Versus HVAC Technician. There is a great possibility you would like additional info on the HVAC Engineering services in Old Edgebrook Chicago, IL by New York Engineers you should check out at our blog.

New Old Edgebrook Chicago HVAC Engineering Related Article

Electrical Safety and Power Quality: A Short Guide for Electrical Engineering

Electricity is one of the cornerstones of modern society, but it can be very dangerous if handled incorrectly. Therefore, governments have introduced stringent codes to regulate its use and ensure safety for occupants. A building’s power supply must be safe to use, and it must also have the voltage and frequency required by the electrical appliances in the building. The electrical engineering systems that provide electrical safety and power quality are typically hidden from sight, but they play a fundamental role in buildings.

Electrical issues are more common in pre-war apartment buildings and other old constructions. Always make sure you get the installation checked before moving into an existing property, but especially if it very aged.

Electrical Protection Devices

The main function of electrical protections is to disconnect the power supply when dangerous operating conditions are present. The main types of electrical faults found in electrical engineering systems are the following:

  • Overload or overcurrent
  • Short circuit
  • Ground fault
  • Line-to-line fault
  • Transient or voltage surge

Plug-in circuit breakers are perhaps the best-known electrical protection devices, commonly used in residential and light commercial applications (below 100 Amperes). Molded-case circuit breakers are generally larger and reach higher current ratings, while motor circuit protectors and thermal overload relays are designed for the protection needs of electric motors. Other than the plug-in configuration, there are protection devices designed for a DIN rail mount or for bolted connections.

An overload occurs when an electrical circuit is drawing current above its rated value for an excessively long period. It is important to note that short-duration overcurrent is common in some types of equipment. For example, three-phase electric motors may draw up to eight times their rated current during startup, but only for a short time – typically fractions of a second. Some types of lighting also draw an inrush current, especially if they have ballasts.

Circuit breakers typically use a thermal interruption mechanism to protect circuits from overload while allowing short-duration current peaks. The thermal protection mechanism uses a metallic contact that expands when heated by current, and it is calibrated to allow the circuit breaker’s rated current but not higher values. However, since inrush currents occur too quickly, their heating effect is not enough to expand and disconnect the thermal protection mechanism. On the other hand, an overload eventually trips the breaker; as current magnitude increases, the thermal protection contact expands faster and disconnects the circuit in less time.

A short circuit occurs when a live conductor touches a neutral conductor, causing a very high current. The magnitude of a short circuit fault is very high, typically thousands of amperes, so it must be disconnected as quickly as possible. In this case the response of thermal protection is too slow, so the protection mechanisms that clear short circuit faults are based on electromagnetic induction – the intense current induces a strong magnetic field that disconnects the circuit breaker.

A ground fault, also known as a line-to-ground fault, occurs when a live conductor touches a conductive element that is not part of the electric circuit. This also creates a very high current due to the low contact resistance, activating the magnetic protection mechanism of the respective circuit breaker. A line-to-line fault occurs when two live conductors at different voltage touch each other, also causing a high-magnitude current. In both cases, the same magnetic protection mechanism that clears short circuit faults responds and trips the circuit breaker.

All the faults described above are characterized by excessive current. When a high voltage peak occurs, the fault is called a transient or a voltage surge. Voltage surges normally occur when large equipment is switched, and can also be caused by lightning. Since circuit breakers are not designed to protect installations from voltage surges, you must use a surge protection devices (SPD) or transient voltage surge suppressor (TVSS). One of the most common types of TVSS use a variable resistance (varistor) connected between the live conductors and the ground – its resistance is high under normal operating conditions, but drops to a very low value in response to voltage peaks, discharging the fault to the ground before it reaches sensitive equipment.

Improving Power Quality in Electrical Engineering Systems

Electric power systems may also suffer from issues that are not faults strictly speaking, but which are also detrimental for performance. Two of the main issues are low power factor and harmonics.

Power factor is a very abstract concept, but the following is a simple way to visualize it. Some types of electrical equipment draw current in such a way where not all the power drawn from the voltage supply is really consumed. In these cases, the term “real power” is used to describe the power that is actually used, and the term “reactive power” is used to describe the portion that oscillates back and forth between the equipment and the power supply without being used. Some of the most common loads associated with reactive power are electric motors, transformers and ballasts. The power factor is the ratio of the real power used and the apparent power – the direct multiplication product of voltage and current.

  • Assume a single-phase motor consumes 900 W of electric power while drawing 5 amperes at 240 volts.
  • The apparent power is 1,200 volt-amperes (240V x 5A).
  • The power factor is 0.75 (900W / 1200 VA). It can also be reported as 75%.
  • The maximum possible value is 1.00 or 100%, where all the power drawn from the voltage source is consumed. Purely resistive loads such as incandescent lamps and resistance heaters behave this way.

Low power factor increases the current drawn by a building, and this creates an extra burden for the grid. Therefore, utility companies typically penalize users that allow their power factor to drop below a specified value. Low power factor is corrected by installing capacitors, which are similar to batteries but designed for a much faster cycle – the oscillating current that characterizes reactive power is supplied locally by the capacitor, and not drawn from the power grid, sparing the user from extra charges.

Power factor correction is characterized by its quick payback period, typically less than one year.

Harmonics are voltage and current signals whose frequency is a multiple of the service frequency – 60 Hz in the USA. Harmonics are produced by nonlinear loads such as magnetic cores and digital equipment, and they tend to overheat circuits, especially the neutral conductor. Excessive harmonics can also cause some types of electronic equipment to malfunction. Harmonic filters are devices that are tuned for a specific harmonic frequency, and when installed in a power system they prevent the propagation of harmonics beyond the equipment that generates them.

Conclusion

The best recommendation to keep all these electrical issues under control is to seek professional assistance from an electrical engineering profession. In new constructions, protection and power quality can be addressed from the design stage. For existing buildings, power monitoring equipment can be used to detect harmonics or low power factor, and the measurement results are then used to specify harmonic filters and capacitors. If circuit breakers are tripping frequently, get an inspection to determine the cause: there could be an electrical fault, but the breaker itself could also be damaged.

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