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  2. Cable fault location - Wikipedia

    en.wikipedia.org/wiki/Cable_fault_location

    The conventionally used aid in cable fault testing and location is the cable test van. The van is installed with conventional cable measuring systems for quickly reaching the location of any cable fault. In 20 years that followed, over 2000 fault location vehicles were manufactured, more than half of which were intended for the former USSR.

  3. 1973 Ragay Gulf earthquake - Wikipedia

    en.wikipedia.org/wiki/1973_Ragay_Gulf_earthquake

    The earthquake produced an onshore surface rupture 30 km along the Guinayangan segment of the Philippine Fault. It also caused left-lateral offset on a beach line for approximately 3.2 meters. [ 8 ] [ 9 ] There were also fissures, one of them being 15 centimeters in width.

  4. Fault detection and isolation - Wikipedia

    en.wikipedia.org/wiki/Fault_detection_and_isolation

    Fault detection, isolation, and recovery (FDIR) is a subfield of control engineering which concerns itself with monitoring a system, identifying when a fault has occurred, and pinpointing the type of fault and its location. Two approaches can be distinguished: A direct pattern recognition of sensor readings that indicate a fault and an analysis ...

  5. Electricity sector in the Philippines - Wikipedia

    en.wikipedia.org/wiki/Electricity_sector_in_the...

    The National Grid Corporation of the Philippines (NGCP) is the transmission system operator for three grids constituting the Philippine grid and as a franchise holder and transmission service provider, it is in charge of operating, maintaining, and developing the country's power grid, [27] controls the supply and demand of power by determining ...

  6. Marikina Valley fault system - Wikipedia

    en.wikipedia.org/wiki/Marikina_Valley_Fault_System

    The Marikina Valley fault system, also known as the Valley fault system (VFS), is a dominantly right-lateral strike-slip fault system in Luzon, Philippines. [2] It extends from Doña Remedios Trinidad, Bulacan in the north, running through the provinces of Rizal, the Metro Manila cities of Quezon, Marikina, Pasig, Taguig and Muntinlupa, and the provinces of Cavite and Laguna, before ending in ...

  7. Arc mapping - Wikipedia

    en.wikipedia.org/wiki/Arc_mapping

    Arc mapping often aims to determine the point of origin of the fire. A common assumption used in reaching this goal is that the fire expands uniformly in all directions as it burns, and maintains a circular shape centered on the point of origin; therefore, when an electrical fault occurs on an electrical line, the point of origin is on a perpendicular to that point.

  8. Fault indicator - Wikipedia

    en.wikipedia.org/wiki/Fault_indicator

    In electric power distribution networks, a fault indicator is a device which provides visual or remote indication of a fault on the electric power system. Also called a faulted circuit indicator (FCI), [1] the device is used in electric power distribution networks as a means of automatically detecting and identifying faults to reduce outage time.

  9. 2019 Eastern Samar earthquake - Wikipedia

    en.wikipedia.org/wiki/2019_Eastern_Samar_earthquake

    The 2019 Eastern Samar Earthquake struck the islands of Visayas in the Philippines on April 23, 2019, at 1:37:51 p.m. (). [3] It had a moment magnitude of 6.5 [3] (M ww 6.4 by USGS) [4] and a local magnitude of 6.2 [5] with a max intensity of VI based on the PHIVOLCS earthquake intensity scale (PEIS). [3]