Introduction How They Work A boiler is key equipment in a steam power plant (PLTU). It converts heat from fuel combustion into steam to drive the turbine. Two common boiler technologies are Circulating Fluidized Bed (CFB) Boiler and Pulverized Coal (PC) Boiler. Both have the same purpose, but they use
Why it matters • Mining, oil, and gas sites use large motors, pumps, compressors, conveyors, crushers, and control systems. • These loads often run for long hours in dust, heat, humidity, vibration, or corrosive areas. • When protection is weak, one fault can damage equipment, stop production, and create serious
Why Is This Technology Needed? In medium-voltage distribution systems, faults such as tree branches touching conductors, animals, damaged insulators, underground cable problems, or phase-to-phase contact can trigger short-circuit currents. Conventional reclosers usually interrupt the fault, wait, and then close again several times to check whether the fault has cleared. If
What it isA temporary current surge that appears when equipment is first energized. Typical causesTransformer energization, large motor starting, capacitor bank switching, and load pickup. Why it mattersIt can trigger voltage sag, nuisance trips, and stress on electrical equipment. 1. What is Inrush Current? Inrush current is the short-duration current
1. Definition Voltage sag, also called voltage dip, is a condition where voltage drops temporarily from its normal value and then returns after the disturbance clears. Unlike a power interruption, the supply is still present, but the voltage is low enough that equipment may not operate normally. 2. Common Causes
Figure 1. Illustration comparing Double Disk Valve and Dome Valve in fly ash conveying 1. Definition and Valve Position in Fly Ash Conveying In coal-fired power plants, combustion produces fine ash called fly ash. Fly ash is usually captured by an ESP or bag filter, then collected in a hopper
Focus: operating principle, arcing, exhaust, and applications in medium-voltage distribution protection In medium-voltage distribution systems, fuses are used to interrupt fault current and protect equipment such as transformers, feeders, cables, and capacitor banks. Two concepts that are often compared are expulsion fuses and current-limiting fuses. Both generate an arc during
How Predictive Maintenance is Transforming Oil & Gas Operations in 2025 In industries where downtime costs thousands of dollars per hour, the ability to prevent equipment failure before it happens is a game-changer. This is especially true in the oil and gas sector, where machinery runs under extreme pressure and
Surge arresters are essential components in modern electrical systems, protecting critical infrastructure from overvoltages caused by lightning strikes and switching operations. However, these devices do not last forever. As they age, their performance deteriorates, and instead of providing protection, they may become a source of electrical faults. This article discusses
In harsh industrial environments such as Oil & Gas, Mining, and Construction, equipment must withstand extreme conditions like dust, water, and physical impact. That’s where Ingress Protection (IP) ratings come in. These internationally recognized codes define the level of protection an enclosure provides against solids and liquids. One of the