Hiring a HVAC Engineering Contractor in Lyons Chicago

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Searching for HVAC Firms in Chicago? Your best bet is to reach out to is NY-Engineers.Com. Not only for HVAC Firms in Chicago but also Construction Engineering and Sprinkler Engineering in or near Lyons Chicago. Call us at (312) 767-6877

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A great number of property owners throughout North Bay Shore, New York already know that New York Engineers is the engineering company to contact if you are looking for HVAC Engineering in NY. What many local property owners have not realized is that NY-Engineers.Com is also your top choice if you are looking for HVAC Engineering services in Lyons Chicago, Illinois.

Contracting a HVAC Contractor in Lyons Chicago entails the capability to explore and recognize what is needed for your setup. Every individual is going to be dissimilar when it comes to the contracting procedure and it is best to consider these traits.

1) Know-how: A great firm will usually have skilled employees onboard to aid with HVAC needs. These professionals aren’t just trained but are likely to have several years of skill in the marketplace. This keeps things simple, streamlined, and as efficient as you require them to be. Clients will feel confident with an authority readily available to help you.

2) Range of work: Take a look at their background to see exactly how they’ve done in the past. This will help shed light on whether or not the organization is actually a passionate team that achieves great outcomes. If there are actually complications with their portfolio then it’s planning to filter into your create. Center on this as soon as possible!

These represent the tips for employing a high-level company and making sure the solution is up to scratch. Otherwise, the company can find themselves having more problems than answers. Begin with these pointers and create a simple checklist to make the process easier.

This is the reason a lot of engineers are hired as consultants as they gain skilled. In those situations, they might be only responsible for the next element of the process and will give understanding of what works or what doesn’t.  Most HVAC systems are creaded with the aid of an Lyons Chicago HVAC design engineer.

Core HVAC Design Engineer Tasks

An HVAC design engineer in Lyons Chicago is usually granted a list of various responsibilities dependant upon the business, its requirements, and exactly how the assignment grows.

Generally speaking, the HVAC design engineer tasks will include a number of tasks including fabricating various HVAC systems. Every duty will be unique because clients bring modified requests. These requests could include the size of their setup, how it is going to perform, and the performance metrics they’re after with a brand new HVAC system.

A qualified Lyons Chicago HVAC engineer will take a moment, comprehend these needs, and prepare an entire HVAC system with high-end design tools. All things are kept in mind in this process and that’s what an HVAC design engineer is expected to accomplish. Together with designing the HVAC system, the engineer has to ensure the installation is performed properly and fits in accordance with precisely what the requester is after.

For this reason most engineers are brought on as consultants because they get skilled. In those situations, they might be only responsible for the following part in the process and can provide understanding of what works or what doesn’t.  Most HVAC systems are begun with the aid of an HVAC design engineer in Lyons Chicago. There is a great possibility you would like more information about the HVAC Engineering services in Lyons Chicago, Illinois by New York Engineers we invite you to take a look at our Lyons Chicago Plumbing Engineering blog.

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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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What Can Our HVAC Engineers in Lyons Chicago Do For You? If you re searching for a dependable HVAC Firms in Chicago? The one to go to is NY Engineers. Not only for HVAC Engineering in Chicago but also Mechanical Engineering and Sprinkler System Engineering throughout Lyons Chicago. Call (+1) 312 767.6877 Since 2011 the majority of construction companies throughout Mineola, NY already know that New York Engineers is the engineering [...]

2018-10-20T11:40:00+00:00