Browse Definitions :

Smart grid

Terms related to smart grids, including definitions about utility electricity delivery systems and words and phrases about smart meters and distributing, monitoring and billing electrical power.

ACC - SEN

  • access point - In a wireless local area network (WLAN), an access point is a station that transmits and receives data (sometimes referred to as a transceiver).
  • addressability - Addressability is the capacity for an entity to be targeted and found.
  • Advanced Encryption Standard (AES) - The Advanced Encryption Standard, or AES, is a symmetric block cipher used by the U.
  • Advanced Message Queuing Protocol (AMQP) - Advanced Message Queuing Protocol (AMQP) is an open source published standard for asynchronous messaging by wire.
  • advanced metering infrastructure (AMI) - Advanced metering infrastructure (AMI) is an architecture for automated, two-way communication between a smart utility meter with an IPaddress and a utility company.
  • alternating current (AC) - In electricity, alternating current (AC) occurs when charge carriers in a conductor or semiconductor periodically reverse their direction of movement.
  • ampere hour (Ah or amp hour) - An ampere hour (abbreviated Ah, or sometimes amp hour) is the amount of energy charge in a battery that will allow one ampere of current to flow for one hour.
  • ampere per meter (A/m, Oe, oersted) - The ampere per meter (symbolized A/m) is the International Unit of magnetic field strength.
  • ampere per meter squared (A/m 2) - The ampere per meter squared, symbolized A/m 2, is the International Unit of electric current density.
  • ancillary services - In smart grid technology, an ancillary service is anything that supports the transmission of electricity from its generation site to the customer.
  • apparent power - Apparent power is a measure of alternating current (AC) power that is computed by multiplying the root-mean-square (rms) current by the root-mean-square voltage.
  • appliance computing - Appliance computing is an Internet-based computing architecture where software applications reside on a Web server rather than on the end-user's workstation.
  • application program interface (API) - An application program interface (API) is code that allows two software programs to communicate with each other.
  • application service provider (ASP) - An application service provider (ASP) is an old-fashioned name for a company that offers individuals or enterprises internet access to applications and related services.
  • ARRA (American Recovery and Reinvestment Act of 2009) - The American Recovery and Reinvestment Act of 2009 (ARRA) is an economic stimulus bill created to help the United States economy recover from an economic downturn that began in late 2007.
  • autoloader (or stackloader) - A stackloader (also known as an autoloader) is a tape storage device that automatically loads tape cartridges using a robotic mechanism.
  • automated meter reading (AMR) - Automated meter reading (AMR) is a technology used in utility meters for collecting the data that's needed for billing purposes.
  • baud - Baud was the prevalent measure for data transmission speed until replaced by a more accurate term, bps (bits per second).
  • bit (binary digit) - A bit (short for binary digit) is the smallest unit of data in a computer.
  • bits per second (bps or bit/sec) - In data communications, bits per second (abbreviated bps or bit/sec) is a common measure of data speed for computer modems and transmission carriers.
  • Broadband over Power Line (BPL) - Broadband over Power Line (BPL) is a technology that allows Internet data to be transmitted over utility power lines.
  • bulk power system (BPS) - A bulk power system (BPS) is a large interconnected electrical system made up of generation and transmission facilities and their control systems.
  • capacitor (capacitance) - In its simplest form, a capacitor consists of two conducting plates separated by an insulating material called thedielectric.
  • capacity on demand (COD) - Capacity on demand (COD) is a purchasing option that allows companies to receive equipment with more computer processing, storage, or other capacity than the company needs at the time of purchase, and have that extra capacity remain unused and unpaid for until the company actually requires it.
  • carbon footprint - A carbon footprint is the measure of the environmental impact of a particular individual or organization's lifestyle or operation, measured in units of carbon dioxide.
  • carbon neutral - To be carbon neutral is to balance the amount of carbon dioxide released into the atmosphere by a particular activity, like flying, driving or operating a data center, with an equal amount of carbon sequestration or carbon offsets from a third party.
  • carbon offset - A carbon offset is a credit that an individual or organization can purchase to negate a carbon footprint.
  • Carbon Reduction Commitment (CRC) - The Carbon Reduction Commitment (CRC) is a mandatory emissions-reduction standard in the UK.
  • Categories of twisted pair cabling systems - ANSI/EIA (American National Standards Institute/Electronic Industries Association) Standard 568 is one of several standards that specify "categories" (the singular is commonly referred to as "CAT") of twisted pair cabling systems, such as wires, junctions, and connectors.
  • cell - In wireless telephony, a cell is the geographical area covered by a cellular telephone transmitter.
  • Cell of Origin (COO) - Cell of Origin (COO) is a mobile positioning technique for finding a caller's cell (the basic geographical coverage unit of a cellular telephone system) location.
  • charge (electric charge) - In physics, charge, also known as electric charge, electrical charge, or electrostatic charge and symbolized q, is a characteristic of a unit of matter that expresses the extent to which it has more or fewer electrons than protons.
  • charge-coupled device (CCD) - A charge-coupled device (CCD) is a light-sensitive integrated circuit that stores and displays the data for an image in such a way that each pixel (picture element) in the image is converted into an electical charge the intensity of which is related to a color in the color spectrum.
  • cloud-oriented architecture (COA) - A cloud-oriented architecture (COA) is a conceptual model encompassing all elements in a cloud environment.
  • compressed air energy storage (CAES) - Compressed air energy storage (CAES) is a way to store massive amounts of renewable power by compressing air at very high pressures and storing it in large underground caverns, depleted wells or aquifers.
  • customer acquisition cost - Customer acquisition cost is the fee associated with convincing a consumer to buy your product or service, including research, marketing and advertising costs.
  • customer premises equipment (CPE) - Customer premises equipment (CPE) is telephone or other service provider equipment that is located on the customer's premises (physical location) rather than on the provider's premises or in between.
  • cyclic redundancy checking - Cyclic redundancy checking is a method of checking for errors in data that has been transmitted on a communications link.
  • data transfer rate (DTR) - Data transfer rate (DTR) is the amount of digital data that is moved from one place to another in a given time.
  • decision support system (DSS) - A decision support system (DSS) is a computer program application that analyzes business data and presents it so that users can make business decisions more easily.
  • decision tree software - In data mining, decision tree software describes a combination of mathematical and computing techniques that enable a given set of data to be accurately described, categorized and analyzed to derive conclusions.
  • dielectric constant - The dielectric constant is the ratio of the permittivity of a substance to the permittivity of free space.
  • Digital Powerline (DPL) - Digital Powerline (DPL) technology provides the transmission of data to users over the same lines that bring electric power to homes and businesses.
  • dipole antenna - A dipole antenna is a straight electrical conductor measuring 1/2 wavelength from end to end and connected at the center to a radio-frequency (RF) feed line.
  • distributed energy resources (DER) - Distributed energy resources (DER) are the combination of physical and virtual resources used in the production and storage of energy at or near where it will be used and separate from the main grid.
  • Dynamic Data Exchange (DDE) - In the Windows, OS/2, and (with third-party development kits) other operating systems, Dynamic Data Exchange (DDE) allows information to be shared or communicated between programs.
  • EEPROM (electrically erasable programmable read-only memory) - EEPROM (electrically erasable programmable read-only memory) is user-modifiable read-only memory (ROM) that can be erased and reprogrammed (written to) repeatedly through the application of higher than normal electrical voltage.
  • electric power - Electric power is the rate at which electric energy is transferred.
  • electrical estimating software - Electrical estimating software is a collection of programs, processes and information that provides electrical contractors with the tools necessary to create accurate and consistent bids.
  • electromagnetic field - An electromagnetic field, sometimes referred to as an EM field, is generated when charged particles, such as electrons, are accelerated.
  • electromagnetic interference (EMI) - EMI (electromagnetic interference) is the disruption of operation of an electronic device when it is in the vicinity of an electromagnetic field (EM field) in the radio frequency (RF) spectrum that is caused by another electronic device.
  • electromagnetic pulse (EMP) - An electromagnetic pulse (EMP) is an intense burst of electromagnetic (EM) energy caused by an abrupt, rapid acceleration of charged particles, usually electron s.
  • electromagnetic radiation spectrum - The electromagnetic radiation spectrum is the complete range of the wavelengths of electromagnetic radiation, beginning with the longest radio waves (including those in the audio range) and extending through visible light (a very small part of the spectrum) all the way to the extremely short gamma rays that are a product of radioactive atoms.
  • Energy Star - Energy Star is a government-backed labeling program that helps people and organizations save money and reduce greenhouse gas emissions by identifying factories, office equipment, home appliances and electronics that have superior energy efficiency.
  • EPROM - EPROM (erasable programmable read-only memory) is programmable read-only memory (programmable ROM) that can be erased and re-used.
  • event-condition-action rule (ECA rule) - An event condition action rule (ECA rule) is the underlying model for event-driven programming, in which actions are triggered by events, given the existence of specific conditions.
  • farad (F) - The farad is the standard international unit of capacitance.
  • faraday - The faraday is a dimensionless unit of electric charge quantity, equal to approximately 6.
  • Faraday constant - Faraday's constant, symbolized by the italic uppercase letter F, is the physical constant representing the electric charge in a mole.
  • FBI Alert Number I-091015-PSA - FBI Alert Number I-091015-PSA is a public service announcement from the United States Federal Bureau of Investigation to inform individuals and organizations about the importance of Internet of Things (IoT) security, including potential vulnerabilities and protective measures that should be taken to mitigate risk associated with them.
  • fiber to the curb (FTTC) - Fiber to the curb (FTTC) refers to the installation and use of optical fiber cable directly to the curbs near homes or any business environment as a replacement for "plain old telephone service" (POTS).
  • fiber to the home (FTTH) - Fiber to the home (FTTH), also called fiber to the premises (FTTP), is the installation and use of optical fiber from a central point directly to individual buildings such as residences, apartment buildings and businesses to provide unprecedented high-speed Internet access.
  • firmware - Firmware is programming that's written to the non-volatile memory of a hardware device.
  • fixed wireless - Fixed wireless refers to the operation of wireless devices or systems in fixed locations such as homes and offices.
  • fixed-mobile convergence (FMC) - Fixed-mobile convergence (FMC) is the trend towards seamless connectivity between fixed and wireless telecommunications networks.
  • flux - Flux is the presence of a force field in a specified physical medium, or the flow of energy through a surface.
  • frequency - For an oscillating or varying current, frequency is the number of complete cycles per second in alternating current direction.
  • frequency modulation (FM) - Also see modulation and frequency-shift keying (FSK).
  • frequency-shift keying (FSK) - Frequency-shift keying (FSK) is a method of transmitting digital signals.
  • fuel cell - A fuel cell is an electrochemical cell that derives its energy from combustible substances such as hydrogen, methane, propane, methanol, diesel fuel or even gasoline.
  • full HDTV (ultra-HD, true HDTV, 1080p) - Full HDTV, also referred to as ultra-HD, true HDTV, and 1080p, is a television (TV) display technology specification that surpasses the quality over the original 720p high-definition television (HDTV) technology specification, providing an image resolution of 1920 by 1080 pixels.
  • ground - A ground is a direct electrical connection to the earth, a connection to a particular point in an electrical or electronic circuit, or an indirect connection that operates as the result of capacitance between wireless equipment and the earth or a large mass of conductive material.
  • Hamming code - Hamming code is a set of error-correction codes that can be used to detect and correct bit errors that can occur when computer data is moved or stored.
  • Industrial Internet Consortium (IIC) - The Industrial Internet Consortium (IIC) is a non-profit organization created for the promotion of open standards and interoperability for technologies used in industrial and machine-to-machine environments.
  • interconnection - Interconnection is a strategy for ensuring that businesses can privately, securely and directly exchange digital information.
  • International Electrotechnical Commission (IEC) - On the Internet, "IEC" usually means the International Electrotechnical Commission.
  • International System of Units (SI) - The International System of Units (abbreviated SI from systeme internationale, the French version of the name) is a scientific method of expressing the magnitudes or quantities of important natural phenomena.
  • International Telecommunication Union (ITU) - The International Telecommunication Union (ITU) is an agency of the United Nations (UN) whose purpose is to coordinate telecommunication operations and services throughout the world.
  • internet of things (IoT) - The internet of things, or IoT, is a system of interrelated computing devices, mechanical and digital machines, objects, animals or people that are provided with unique identifiers (UIDs) and the ability to transfer data over a network without requiring human-to-human or human-to-computer interaction.
  • intranet of things - An intranet of things is, depending on your viewpoint, either an element of the all-encompassing Internet of Things (IoT) or an alternative model that uses similar systems and technologies but limits the accessibility of its things to the corporate network.
  • Microsoft Assessment and Planning (MAP) Toolkit - Microsoft Assessment and Planning (MAP) Toolkit is a free utility IT can use to determine whether or not its infrastructure is prepared for a migration to a new operating system, server version or cloud-based deployment.
  • MultiSpeak - MultiSpeak is an initiative to standardize the application program interfaces (APIs) used by electric utilities.
  • N+1 UPS - N+1, also called parallel redundancy, is a safeguard to ensure that an uninterruptible power supply (UPS)system is always available.
  • negawatt - A negawatt is a negative megawatt: a megawatt of power saved by increasing efficiency or reducing consumption.
  • NERC CIP (critical infrastructure protection) - The NERC CIP (critical infrastructure protection) plan is a set of requirements designed to secure assets vital to reliably operating North America's bulk electric system.
  • North American Electric Reliability Corporation (NERC) - North American Electric Reliability Corporation (NERC) is an institution that oversees and regulates the reliability of the North American electrical grids.
  • ohm - The ohm is the standard unit of electrical resistance in the International System of Units (SI).
  • peak (pk) - Peak (pk) is the maximum value, either positive (pk+) or negative (pk-), that a waveform attains.
  • peak-to-peak (pk-pk) - Peak-to-peak (pk-pk) is the difference between the maximum positive and the maximum negative amplitudes of a waveform, as shown below.
  • picofarad per meter (pF/m) - The picofarad per meter (symbolized pF/m) is a unit of electric permittivity, a constant of proportionality that exists between electric displacement and electric field intensity.
  • polarity - Polarity is a term used in electricity, magnetism, and electronic signaling.
  • polarization (wave polarization) - Polarization, also called wave polarization, is an expression of the orientation of the lines of electric flux in an electromagnetic field (EM field).
  • Power over Ethernet (PoE) - Power over Ethernet (PoE) is a technology for wired Ethernet local area networks (LANs) that allows the electrical current necessary for the operation of each device to be carried by the data cables rather than by power cords.
  • resource-oriented architecture (ROA) - A resource-oriented architecture (ROA) is the structural design supporting the internetworking of resources.
  • SCADA (supervisory control and data acquisition) - SCADA (supervisory control and data acquisition) is a category of software application program for process control, the gathering of data in real time from remote locations in order to control equipment and conditions.
  • sensor analytics - Sensor analytics is the statistical analysis of data that’s created by wired or wireless sensors.
  • sensor data - Sensor data is the output of a device that detects and responds to some type of input from the physical environment.
  • sensor hub - A sensor hub is a connection point for multiple sensors that uses a multipoint control unit (MCU), coprocessor or digital signal processor (DSP) to compile and process data gathered from those sensors.

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