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This standard defines a mixed-signal test bus architecture that provides the means of control and access to both analog and digital test signals such that the testability structure for digital circuits described in IEEE Std 1149.1-2001 has been extended effectively to provide similar facilities for mixed-signal circuits. In addition to testing of interconnections in the conventional sense of IEEE Std 1149.1-2001, the mixed-signal test bus defined by this standard also provides the means for… read more parametric testing and, optionally, the means to access internal test structures. The standard does not mandate implementation details of the test circuitry, although examples of conformant implementations are given for illustration. Further, the standard develops extensions to Boundary-Scan Description Language (BSDL) as a means of describing key aspects of the implementation of this standard within a particular component. At present, the extensions to BSDL defined by this standard specifically omit the description of any and all analog parameters defined by the standard. read less

定价： 242元 / 折扣价： 206 元

The information in this design guide is applicable to both rigid bus and strain bus designs for outdoor and indoor,air-insulated, alternating current substations. Ampacity, radio influence, vibration, and electromechanical forces resulting from gravity, wind, fault current, and thermal expansion are considered. Design criteria for conductor and insulator strength calculations are included. This guide does not consider the following: a) The electrical criteria for the selection of insulators (… read more see IEEE Std 1313.2-1999TM [B22]) b) The seismic forces to which the substation may be subjected (see IEEE Std 693TM-2005 and IEEE Std 1527TM-2006) c) The design of mounting structures d) Design considerations for contaminated environments (see IEEE Std 1313.2-1999 [B22]) e) Installation methods f) Design of direct current buses read less

定价： 94元 / 折扣价： 80 元

This standard defines a mixed-signal test bus architecture that provides the means of control and access to both analog and digital test signals such that the testability structure for digital circuits described in IEEE Std 1149.1-2013 has been extended effectively to provide similar facilities for mixed-signal circuits. In addition to testing of interconnections in the conventional sense of IEEE Std 1149.1-2013, the mixed-signal test bus defined by this standard also provides the means for… read more parametric testing and, optionally, the means to access internal test structures. The standard does not mandate implementation details of the test circuitry, although examples of conformant implementations are given for illustration. Further, the standard develops extensions to Boundary-Scan Description Language (BSDL) as a means of describing key aspects of the implementation of this standard within a particular component. At present, the extensions to BSDL defined by this standard specifically omit the description of any and all analog parameters defined by the standard. read less

定价： 116元 / 折扣价： 99 元

This design guide provides direction for the substation engineer in the design of air insulated substations. This guide provides users with information on typical bus arrangements including various criteria necessary to develop bus arrangement decisions. The guide is applicable to both rigid bus and strain bus designs for outdoor and indoor, air-insulated, alternating current substations. This guide includes a method to calculate ampacity for electrical bus and ampacity tables for typical bus… read more types and sizes. This guide also provides design criteria and a method to calculate electromechanical forces on insulators and bus resulting from gravity, wind, ice, short circuit forces, and thermal expansion. This guide does not consider the following: a) The electrical criteria for the selection of insulators (see IEEE Std 1313.2TM[B22]) b) The seismic forces to which the substation may be subjected (see IEEE Std 693TM and IEEE Std 1527TM) c) The design of bus mounting structures (see ASCE Manual and Report on Engineering Practice No. 113) d) Design considerations for contaminated environments (see IEEE Std 1313.2-1999 [B22]) e) Installation methods f) Design of direct current buses read less

定价： 193元 / 折扣价： 165 元