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Introduction 15 Types of transformers 15 Voltage transformers (VTs) 15 Current transformers (CTs) 15 Common features of a voltage and a current transformer 15 Design parameters 15/531Section I: Voltage transformers 15 General specifications and design considerations for voltagetransformers (VTs) 15 Instrument voltage transformers 15 Electromagnetic voltage transformers 15 Residual voltage transformers (RVTs) 15 Capacitor voltage transformers (CVTs) 15 Control transformers 15 Summary of specifications of a VT 15 Precautions to be observed while installing a voltagetransformer 15/543Section II: Current transformers 15 Current transformers (CTs) 15 General specifications and design considerations forcurrent transformers 15 Measuring current transformers 15 Interposing current transformers 15 Summation current transformers 15 Protection current transformers 15 Special-purpose current transformers, type PS 15 Core-balanced current transformers (CBCTs) 15 Short-time rating and effect of momentary peak or dynamiccurrents 15 Summary of specifications of a CT 15 Precautions to be observed when connecting a CT 15/564Section III:Testing of instrument and control transformers 15 Test requirements 15 Voltage transformers 15 Current transformers 15/56815Instrument andcontroltransformers: applications andselection15/529Section IV: Non-conventional methods of currentmeasurement 15 Sensors 15 shu

15/532 Electrical Power Engineering Reference & Applications Handbook systems. They are mechanically strong and can bear shocks and impacts. 5 Creepage distances For outdoor installations the recommended minimum

  Applications, Electrical, Engineering, Power, Electrical engineering, Electrical power engineering, Applications and