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As you know, grounding an electrical system makes the system safe from power surges. If you do not ground a conductive surface, it may become electrically energized. And when you touch such a system, current will pass through your body to the earth. As a result, you get a shock. A good grounding system ensures
In all interconnected power systems, relay protection is the primary instrument. These systems isolate fIn all connected power systems, a relay protection device is a primary instrument. These systems separate fault locations with a healthier network. You can detect a fault by monitoring several changes. These are voltage dip, current changes, frequency, temperature, etc. However,
You require load flow analysis whenever you design a new project or plan to change the existing system. It is essential to conduct research beforehand to ensure that the current and voltage are within safe limits. Moreover, it checks for the additional services the equipment may require for maintenance. If you fail to conduct this
You might work with installing systems at a construction site, which can lead to issues in the service of electrical systems soon. In that case, you must ensure safe wiring across the entire facility. For this purpose, you may want to perform additional inspections. A third-party electrical inspection agency will give you an independent overview of
There are two things you want in your facility. First, you need the gear to deliver optimal and consistent performance. Additionally, the equipment shouldn’t cause any damage or accidents, with injuries. Live testing can help to maintain both goals. It involves checking if the gear works right while it’s operating. But, there is something you
Have you ever seen any shock or fire from electrical devices? In general, most consumer electrical products run on batteries and operate at extra low voltages. They generally do not offer electrical safety hazards to the consumer. However, when you plug the battery charger into the wall socket and connect it to the electrical device,
Harmonic currents and voltages can harmonic currents and voltages can have various strengths. Depending on the electrical setup, the system can handle those levels. A harmonic study helps you analyze this wave distortion and reveals whether its ranges are acceptable. That allows you to find potential issues and deal with them. If you’d like to
A “grounded” electrical device is one that connects to a grounding system for safety reasons. Grounding finds a path that’s safe or offers the least resistance for stray voltage. It ensures the stray voltage doesn’t build up in a place where it could be dangerous. Instead, you divert it to the desired path where it
Overheating in a circuit or faulty wire is the leading cause of many disasters. If you leave the wirings unchecked, you will be evacuating people from your building due to the fire that broke out. Loop impedance testing or loop testing might be a good investment option if you opt for preventive measures. Conducting the
A motor control center operates your electric motors. You can find a solid-state motor controller or overload relays to protect the engine. Furthermore, you’ll discover overload protection relays and a circuit breaker that offers short-circuit protection. Also, disconnecting control switches to isolate the motor circuit. Separate control transformers serve for the three-phase power to move
In case of excessive use of the device, there is a chance that the accuracy will decrease over time. The instrument will readily drift apart in a humid, hot environment. While working with AC-DC variable power supply, one cannot take risks. Hence, you have to opt for electrical calibration to omit wrong calculations. Electrical calibration
While using an electrical panel for your home supply, there is a chance of equipment damage. Besides, the problem may lead to excess power usage or catastrophic equipment failure. Hence, the Electricity at Work Regulation Act 1989. states guidelines to avoid it. Thermography testing, detection of defects is becoming popular, as the thermal image can
When lightning strikes, it creates a voltage surge. Both cloud-to-cloud lightning and cloud-to-ground lightning can result in voltage surges. Now, this voltage surge wants to equalize itself as soon as possible, and it can do so by short-circuiting your electrical equipment. For example, it can either directly hit your house or strike on a cable
Whenever any fault or electrical surge occurs in many substations, the earth absorbs all the fault current. Even while providing electricity for domestic usage, the electricians ensure a proper grounding system to maintain the flow of electric current. However, for setting up the earth system, you need to have enough soil corrosivity. How can you
What happens when the primary power source goes off? An alternate source starts operating and powers the electrical equipment. How does this happen? A transfer switch switches the electrical loads between two power sources. Sometimes, these transfer switches are manual. An operator throws the switch whenever the two power sources lose or gain power. However,
Nowadays, electronic devices are present everywhere, whether it’s a commercial building or residential spaces. That means circuit breakers, switches, relays, and other electrical connections work around the clock to prevent electrical damage. However, as long as two conductors are in contact, you can expect some resistance. And too much resistance leads to power outages and
Electrical installations have protective devices with a certain circuit breaker capacity. Their purpose is to deal with these currents. However, if they can’t cope safely, that can lead to damages and fires. Therefore, you need to measure prospective fault current (PFC) and calculate its values at the source and other relevant points in the setup.
Fires are a hazard, and electrical equipment failures are the main reason why they occur in facilities. So, you want to avoid excessive heat, pending failures, and other issues. It’s imperative to discover and deal with potential fire risks on time. Usually, inspectors use infrared thermography to detect excess heat. Then, it shows something is
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