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This recommended practice is intended to identify, organize and summarize information about high-voltage circuit breakers provided by the manufacturer that knowledgeable users will find useful for the receipt, installation, commissioning, operation and maintenance, and decommissioning of ac high-voltage circuit breakers above 1000 V. This recommended practice recommends categories and an arrangement for the presentation of information in circuit breaker instruction manuals.
This standard provides requirements for low-voltage (600 V ac and below) definite-purpose switching (LVDPS) devices (other than power circuit breakers) for use in metal-enclosed low-voltage power circuit breaker switchgear described in IEEE Std C37.20.1(TM). These switching devices may be used in motor control or other repetitive duty applications and have the following characteristics: a) Drawout type, three-pole construction; b) Integral current-limiting fuses for short-circuit protection; c)… read more Power operated, with integral or separately mounted overcurrent protective devices; In this standard, the term "LV-DPS device" denotes a low-voltage definite-purpose switching device conforming to the requirements of this standard. read less
This standard covers metal-enclosed low-voltage power circuit breaker switchgear assemblies containing, but not limited to, such devices as low-voltage power circuit breakers (fused or unfused), other interrupting devices, switches, control, instrumentation, and metering, and protective and regulating equipment. This standard is concerned with enclosed, rather than open, indoor and outdoor switchgear assemblies. It includes types of equipment that are part of secondary unit substations. It does not apply to equipment covered by industrial control standards, communication switchboards, communication switching equipment, switchboards for use on board ships, or dead-front distribution switchboards. In this standard, metal-enclosed low-voltage power circuit breaker switchgear shall be called LV switchgear. For LV ac switchgear, the nominal system voltage shall be 1000 Vac or below; for LV dc switchgear, the rated maximum voltage shall be 3200 Vdc or below.
This guide provides information on the application, operation, and coordination of high-voltage (>1000 V) fuses and associated equipment. The information supplements that presented in IEEE Std C37.48(TM). These guidelines apply to the following specific types of equipment, intended for use on alternating current distribution and power class systems: a) Distribution and power class current-limiting type fuses. b) Distribution and power class current-limiting fuse disconnecting switches. c)… read more Items a) and b) used in fuse enclosure packages. d) Fuse supports of the type intended for use with distribution and power class fuses, and fuse disconnecting switches. e) Disconnecting devices created by the use of a removable switch blade in a distribution or power class fuse support. f) Distribution class and power class current-limiting, and combination types of external capacitor fuses used with a capacitor unit, groups of units, or capacitor banks. g) Backup current-limiting fuses ("motor-starter fuses") used in conjunction with high-voltage Class E2 motor starters (see ANSI/UL 347 [B1]2). read less
This standard specifies design tests for relays, relay systems, and control devices used for the protection and control of electric power apparatus that relate to the immunity of this equipment to repetitive electrical transients. Two types of tests are specified: the oscillatory (SWC) and electrical fast transient (EFT ) tests. For devices with communication ports, where the device does not perform protection or control functions, testing of the communication functions is covered by IEEE Std 16… read more 13™ [B8].6 Where the device performs protection or control functions and has communication ports, tests for all communication functions are covered by this document. For devices without communication ports, the tests are covered by this document read less
This standard applies to gapped silicon-carbide surge-protective devices designed for repeated limiting of voltage surges on 50 Hz or 60 Hz power circuits by passing surge discharge current and subsequently automatically interrupting the flow of follow current. This standard applies to devices for separate mounting and to those supplied integrally with other equipment.
This guide suggests surge arrester installation methods at distribution cable terminal poles and on dead-front equipment to protect insulated shielded power cable systems up to 46 kV. Grounding electrode techniques, pole ground values, and system ground grid values are not addressed or considered in this document.
This application guide applies to Thyristor Surge Protective Components (SPCs)used in systems with voltages up to 1000 Vrms or 1200 Vdc. These components are designed to limit overvoltages and divert surge currents by limiting the voltage and switching to a low impedance state. Although telecommunication circuits are the main application of Thyristor SPCs, this guide will also provide useful information for other protection applications. This guide is intended to complement and be used in… read more conjunction with the IEEE Standard Test Specification for Thyristor Diode Surge Protective Devices (IEEE C62.37). read less
This is a guide describing the surge voltage, surge current, and TOV environment in low-voltage [up to 1000 V root mean square (rms)] ac power circuits. This scope does not include other power disturbances, such as notches, sags, and noise. The surge considered in this guide do not exceed one-half period of the normal mains waveform (fundamental frequency) in duration. They can be periodic or random events and can appear in any combination of line, neutral, or grounding conductors. They include surges with amplitudes, durations, or rates of change sufficient to cause equipment damage or operational upset (see Figure ). While surge protective devices (SPDs) acting primarily on the amplitude of the voltage are often applied to divert the damaging surges, the upsetting surges may require other remedies. The rationale for including a description of TOVs in this guide on the surge environment is given in .
The IEEE C62.42 guide series covers surge protective components (SPCs) used in power and telecom surge protective devices (SPDs) and equipment ports. This part on gas discharge tube (GDT) technology SPCs covers: Component construction; Characteristics; Ratings; Application examples
The scope of this standard is the definition of an exchange format, utilizing Web Ontology Language (OWL) and extensible markup language (XML), for exchanging data resulting from executing tests of a unit under test (UUT) via a test program in an automatic test environment.
This International Standard contains requirements for application of the IEC/IEEE 62582-series of methods for condition monitoring in electrical equipment important to safety of nuclear power plants. It also includes requirements which are common to all methods. The IEC/IEEE 62582-series of standards specify condition monitoring methods in sufficient detail to enhance the accuracy and repeatability, and provide standard formats for reporting the results. The methods specified are applicable to… read more electrical equipment containing organic or polymeric materials. Some methods are especially designed for the measurement of condition of a limited range of equipment whilst others can be applied to all types of equipment for which the organic parts are accessible. Although the scope of the standards in the IEC/IEEE 62582-series is limited to application of instrumentation and control systems important to safety, the condition monitoring methods may be applicable also to other components which include organic or polymeric materials. Standards in the IEC/IEEE 62582-series are measurement standards, primarily for use in the management of ageing in initial qualification and after installation. For technical background of condition monitoring methods, reference is made to other IEC standards, e.g. IEC 60544-5. Information on the role of condition monitoring in qualification of equipment important to safety is found in IEEE Std 323. General information on management of ageing can be found in IEC 62342 and IEEE 1205. NOTE - The procedures defined in the IEC/IEEE 62582-series are intended for detailed condition monitoring. A simplified version of the procedures may be appropriate for preliminary assessment of the need for detailed measurements. read less
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