Under Frequency Relay definition

Under Frequency Relay means a relay which operates when the system frequency falls below a specified limit and initiates load shedding
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Under Frequency Relay means an electrical measuring relay intended to operate when its characteristic quantity reaches the relay settings by decrease in frequency.
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Under Frequency Relay means a relay which operates when the system frequency falls below a pre-set value;
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Examples of Under Frequency Relay in a sentence

  • No demand shed by operation of under frequency relays shall be restored without specific directions from SLDC.Rotational Load Shedding Schemes using Under Frequency Relay (UFR) shall be prepared time to time by the Utility in accordance with the guidelines/instructions issued by WRLDC/WRPC.

  • Mulai bekerjanya suatu Under Frequency Relay adalah ketika frekuensi generator memasuki wilayah tidak normal.

  • Under Frekuensi RelayPada pelepasan beban yang diakibatkan penurunan frekuensi dibutuhkan suatu Under Frequency Relay yang dapat mendeteksi ketidaknormalan tersebut.

  • The report clearly outlined Millar Home’s ownership of the land, it no longer functioned as a playing field and the proposals would have no adverse impact on the local environment.

  • E4: Major Events in the month of August’14.No report of major events in OPTCL system received during the month of August14.E5: Under Frequency Relay operation in OPTCL System during the month of August’14.There is no UF Relay operation occurred during the month of August’14.

  • Under Frequency Relay ID number (for primary and secondary reserve providers): (This could be the digital output contact in an integrated Recorder/Relay.) 1012.

  • Breakers tripped by under frequency relay action are marked as such on the SCADA one-line displays and are also displayed on Under Frequency Relay Summary displays.

  • Each of the parties agrees that the Second Judicial District Court has jurisdiction of the subject matter of this Agreement and personal jurisdiction of the parties and each of the parties agree to submit to the jurisdiction of the Second Judicial District Court.

  • Rouge River National Wet Weather Demonstration Project: CSO Demonstration Project.” Internet site a thttp://208.220.235.35/wayne/build/rpo/tec htop/cso/csocont.html, accessed June, 1998.


More Definitions of Under Frequency Relay

Under Frequency Relay means a relay which operates when the system frequency falls below a preset value;
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Under Frequency Relay. (UFR) means a continuously monitoring relay that will operate, giving an alarm or initiation signal upon measured frequency moves outside set point limit.
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Under Frequency Relay means a relay which operates when the system frequency falls below a laid down limit and initiates load shedding;
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Related to Under Frequency Relay

  • frequency ride through as used herein shall mean the ability of a Small Generating Facility to stay connected to and synchronized with the system or equipment of the Transmission Owner and any Affected Systems during system disturbances within a range of under-frequency and over- frequency conditions, in accordance with Good Utility Practice and consistent with any standards and guidelines that are applied to other generating facilities in the Balancing Authority Area on a comparable basis. The term “voltage ride through” as used herein shall mean the ability of a Small Generating Facility to stay connected to and synchronized with the system or equipment of the Transmission Owner and any Affected Systems during system disturbances within a range of under-voltage and over-voltage conditions, in accordance with Good Utility Practice and consistent with any standards and guidelines that are applied to other generating facilities in the Balancing Authority Area on a comparable basis.

  • InterMTA Traffic means traffic to or from WSP’s network that originates in one MTA and terminates in another MTA (as determined by the geographic location of the cell site to which the mobile End User is connected).

  • Disinfection profile means a summary of daily Giardia lamblia inactivation through the treatment plant. The procedure for developing a disinfection profile is contained in s. NR 810.34.

  • Fraud Monitoring System means an off-line administration system that monitors suspected occurrences of ABT- related fraud.

  • Turbidity means the cloudy condition of water due to the presence of extremely fine particulate materials in suspension that interfere with the passage of light.

  • Yearly (1/Year) sampling frequency means the sampling shall be done in the month of September, unless specifically identified otherwise in the effluent limitations and monitoring requirements table.

  • Medicare Levy Surcharge means an extra charge payable by high income earners beyond the standard Medicare Levy if they do not have qualifying private hospital insurance coverage. This charge is assessed as part of an individual or family’s annual tax return.

  • Adult theater means a theater, concert hall, auditorium, or similar commercial establishment which regularly features persons who appear in a state of nudity or live performances which are characterized by the exposure of "specified anatomical areas" or by "specified sexual activities."

  • Meet-Point Billing (MPB means the billing associated with interconnection of facilities between two (2) or more LECs for the routing of traffic to and from an IXC with which one of the LECs does not have a direct connection. In a multi-bill environment, each Party bills the appropriate tariffed rate for its portion of a jointly provided Switched Exchange Access Service.

  • Meet-Point Billing (MPB) refers to the billing associated with interconnection of facilities between two or more LECs for the routing of traffic to and from an IXC with which one of the LECs does not have a direct connection. In a multi-bill environment, each Party bills the appropriate tariffed rate for its portion of a jointly provided Switched Exchange Access Service.

  • Wastewater collection system means the sewer and pumping system used for the collection and conveyance of domestic, commercial and industrial wastewater; and

  • Yearly (1/Year) sampling frequency means the sampling shall be done in the month of September, unless specifically identified otherwise in the effluent limitations and monitoring requirements table.

  • Common Channel Signaling (CCS means an out-of-band, packet-switched, signaling network used to transport supervision signals, control signals, and data messages. It is a special network, fully separate from the transmission path of the public switched network. Unless otherwise agreed by the Parties, the CCS protocol used by the Parties shall be SS7.

  • Vending facility means automatic vending machines, cafeterias, snack bars, cart service, shelters, counters, and such other appropriate auxiliary equipment which may be operated by licensed managers and which is necessary for the sale of newspapers, periodicals, confections, tobacco products, foods, beverages, and other articles or services dispensed automatically or manually and prepared on or off the premises in accordance with all applicable health laws and including the vending or exchange of chances for any lottery authorized by State Law and conducted by an agency of a State within such State. [CFR 34, Part 395.1(X)]

  • Vapor collection system means a vapor transport system which used direct displacement by the gasoline being transferred to force vapors from the vessel being loaded into either a vessel being unloaded or a vapor control system or vapor holding tank.

  • Intercollegiate sport means a sport played at the collegiate level for which eligibility requirements for participation by a student athlete are established by a national association for the promotion or regulation of collegiate athletics.

  • IntraLATA Toll Traffic means the IntraLATA traffic, regardless of the transport protocol method, between two locations within one LATA where one of the locations lies outside of the mandatory local calling area as defined by the Commission.

  • Outfall means a point source.

  • Wastewater treatment unit means a device which:

  • Operating Margin Customer means a Control Area purchasing Operating Margin pursuant to an agreement between such other Control Area and the LLC.

  • 911 Trunk A trunk capable of transmitting a 9-1-1 dialed call to the Selective Router, and used for the single purpose of transmission of 9-1-1 calls in accordance with applicable NENA Standards. Access Service Request (ASR): The Ordering and Billing Forum document designated by CenturyLink to be used by the Parties to add, establish, change or disconnect services or trunks for the purpose of providing special access, Switched Access Services, and Interconnection. Access Services: Interstate and intrastate Switched Access Services, Special Access and/or Private Line services, as appropriate. Act or the Act: The Communications Act of 1934, as amended by the Telecommunications Act of 1996, and as amended from time to time and codified at 47 ACTL: Access Customer Terminal Location as defined by Telcordia.

  • Centralized Message Distribution System or "CMDS" means the operation system that Local Exchange Carriers use to exchange outcollect and IABS access messages among each other and other parties connected to CMDS.

  • Semi-annual (2/Year) sampling frequency means the sampling shall be done during the months of June and December, unless specifically identified otherwise.

  • Routing Point means the location which a LEC has designated on its own network as the homing or routing point for traffic inbound to Exchange Service provided by the LEC which bears a certain NPA-NXX designation. The Routing Point is employed to calculate mileage measurements for the distance-sensitive transport element charges of Switched Access services. The Routing Point need not be the same as the Rating Point, nor must it be located within the Rate Center area, but must be in the same LATA as the NPA-NXX.

  • Interconnection Provider means PacifiCorp Transmission.

  • Monitoring System means a system established by BNY to fulfill the Responsibilities specified in clauses (d) and (e) of Section 1 of Article III of this Agreement.