SCIENTIFIC PAPERS OF THE UNIVERSITY OF PARDUBICE UTILIZATION OF INDUCTION-MACHINE MATHEMATICAL MODEL
... using the components of the stator current and of the stator or rotor linkages. The equations (1) to (4) show that the magnetic flux Ψ2 can be computed using two methods: either from the stator currents and voltages (so-called voltage model) or from the stator currents and rotor mechanical speed (so ...
... using the components of the stator current and of the stator or rotor linkages. The equations (1) to (4) show that the magnetic flux Ψ2 can be computed using two methods: either from the stator currents and voltages (so-called voltage model) or from the stator currents and rotor mechanical speed (so ...
III. Meter data 1. Specifications Single Phase
... - IEC 61358: Control of receipt of static meters for active energy alternating current and direct connection (Classes 1 and 2) - IEC 60529: Degrees of protection provided by enclosures (IP). - In 50160: Voltage characteristics of electricity supplied by the distribution ...
... - IEC 61358: Control of receipt of static meters for active energy alternating current and direct connection (Classes 1 and 2) - IEC 60529: Degrees of protection provided by enclosures (IP). - In 50160: Voltage characteristics of electricity supplied by the distribution ...
Electromagnetic Waves Chapter Test Study Guide Name: Answer
... Light, Ultraviolet Light, X-Rays, Gamma Rays 10.Why would a worker in an electrical company put on rubber gloves before working on any power lines? Answer: Rubber is a poor conductor of heat and electricity. 11. Why are some coffee cups composed of ceramic material? Answer: Ceramic materials are ins ...
... Light, Ultraviolet Light, X-Rays, Gamma Rays 10.Why would a worker in an electrical company put on rubber gloves before working on any power lines? Answer: Rubber is a poor conductor of heat and electricity. 11. Why are some coffee cups composed of ceramic material? Answer: Ceramic materials are ins ...
Inter-system Ground Noise: Causes and Effects
... It may be apparent that the source of all of these problems is the ground loop caused by the electrical safety ground. In many cases, disconnection of this ground at one piece of equipment may prevent problems. However, ground wire disconnection should never be performed because it is illegal and pr ...
... It may be apparent that the source of all of these problems is the ground loop caused by the electrical safety ground. In many cases, disconnection of this ground at one piece of equipment may prevent problems. However, ground wire disconnection should never be performed because it is illegal and pr ...
Analysis and Characterization of Partial Discharge Signals From
... is a challenging task. The measurement often lacks of accuracy due to interference in PD signals [6]. The PD signal is superposed with stochastic noise pulses or even multiple PD sources, which leads to a complex phase resolved PD patterns that is not easy to analyse and distinguish. Therefore, char ...
... is a challenging task. The measurement often lacks of accuracy due to interference in PD signals [6]. The PD signal is superposed with stochastic noise pulses or even multiple PD sources, which leads to a complex phase resolved PD patterns that is not easy to analyse and distinguish. Therefore, char ...
Selecting the Optimum Transient Voltage Suppressor
... currents. This means that care must be taken in the construction of the package and assembly process to ensure that the suppressor can tolerate high energy levels for short periods. Typical Transient Voltage Suppressors carry peak ratings of 400, 600, 1500 or 5000 Watts. These wattages translate to ...
... currents. This means that care must be taken in the construction of the package and assembly process to ensure that the suppressor can tolerate high energy levels for short periods. Typical Transient Voltage Suppressors carry peak ratings of 400, 600, 1500 or 5000 Watts. These wattages translate to ...
numerical simulations of electromagnet exposed to vibration
... As shown in previous articles using analytical tools [9, 10], the electromagnetic controller behaves as a spring element with variable stiffness (i.e. it is capable of detuning the original natural frequency of the mechanical system) and as a damper (i.e. reducing the amplitude of the vibration in re ...
... As shown in previous articles using analytical tools [9, 10], the electromagnetic controller behaves as a spring element with variable stiffness (i.e. it is capable of detuning the original natural frequency of the mechanical system) and as a damper (i.e. reducing the amplitude of the vibration in re ...
AZD022 Hardware setup for in-circuit testing of IQS devices
... Option 2: Using a combination of FETs and relays Another option with in-circuit testing is using relays. It is, however, very difficult to simulate a proximity event using a relay, because of its physical composition. It is recommended to use FET’s for proximity, as even using a very small capacitor ...
... Option 2: Using a combination of FETs and relays Another option with in-circuit testing is using relays. It is, however, very difficult to simulate a proximity event using a relay, because of its physical composition. It is recommended to use FET’s for proximity, as even using a very small capacitor ...
PV Testing Guide
... These practices can help promote safety and optimize performance, and provide essential information required to effectively troubleshoot, diagnose and remedy problems with the system. All PV systems require testing for performance and safety verifications. The level of testing required will depend o ...
... These practices can help promote safety and optimize performance, and provide essential information required to effectively troubleshoot, diagnose and remedy problems with the system. All PV systems require testing for performance and safety verifications. The level of testing required will depend o ...
Lightning Protection.. - Crawford Broadcasting
... Fahrenheit. The rise time of a typical strike is about 5 microseconds to peak amplitude. The current path in a lightning strike is from the cloud to what we call “ground”. A perfect ground connection, however, does not really exist, and any real ground connection will have both a finite DC resistanc ...
... Fahrenheit. The rise time of a typical strike is about 5 microseconds to peak amplitude. The current path in a lightning strike is from the cloud to what we call “ground”. A perfect ground connection, however, does not really exist, and any real ground connection will have both a finite DC resistanc ...
Requirements for Integrated Services Digital Network Terminal
... The shape of an isolated pulse shall fall within the mask in Figure 3.3(d) when measured at the end of the shortest cable specified by the applicant. Note: The voltage within a time slot containing a zero may be greater than this limit because of the undershoot remaining from preceding pulses (i.e. ...
... The shape of an isolated pulse shall fall within the mask in Figure 3.3(d) when measured at the end of the shortest cable specified by the applicant. Note: The voltage within a time slot containing a zero may be greater than this limit because of the undershoot remaining from preceding pulses (i.e. ...
Reading and Understanding an ESD Protection
... evaluating the ESD device in the system level design. The detailed inner circuitry information does not usually provide any useful information for completing a system level simulation. If the detailed information is required, it can be requested through your local TI sales office. ...
... evaluating the ESD device in the system level design. The detailed inner circuitry information does not usually provide any useful information for completing a system level simulation. If the detailed information is required, it can be requested through your local TI sales office. ...
Electromagnetic compatibility
Electromagnetic compatibility (EMC) is the branch of electrical sciences which studies the unintentional generation, propagation and reception of electromagnetic energy with reference to the unwanted effects (electromagnetic interference, or EMI) that such energy may induce. The goal of EMC is the correct operation, in the same electromagnetic environment, of different equipment which use electromagnetic phenomena, and the avoidance of any interference effects.In order to achieve this, EMC pursues two different kinds of issues. Emission issues are related to the unwanted generation of electromagnetic energy by some source, and to the countermeasures which should be taken in order to reduce such generation and to avoid the escape of any remaining energies into the external environment. Susceptibility or immunity issues, in contrast, refer to the correct operation of electrical equipment, referred to as the victim, in the presence of unplanned electromagnetic disturbances.Interference mitigation and hence electromagnetic compatibility is achieved by addressing both emission and susceptibility issues, i.e., quieting the sources of interference and hardening the potential victims. The coupling path between source and victim may also be separately addressed to increase its attenuation.