1- Harmonic Sources from Commercial Loads
... year after year. Most dc drives use the six-pulse rectifier shown in Fig. Large drives may employ a 12-pulse rectifier. This reduces thyristor current duties and reduces some of the larger ac current harmonics. The two largest harmonic currents for the six-pulse drive are the fifth and seventh. They ...
... year after year. Most dc drives use the six-pulse rectifier shown in Fig. Large drives may employ a 12-pulse rectifier. This reduces thyristor current duties and reduces some of the larger ac current harmonics. The two largest harmonic currents for the six-pulse drive are the fifth and seventh. They ...
Substation Equipments
... voltages (generally 110 V) and currents (about 5 A). Therefore, they will not work satisfactorily if mounted directly on the power lines. This difficulty is overcome by installing instrument transformers on the power lines. The function of these instrument transformers is to transfer voltages or cur ...
... voltages (generally 110 V) and currents (about 5 A). Therefore, they will not work satisfactorily if mounted directly on the power lines. This difficulty is overcome by installing instrument transformers on the power lines. The function of these instrument transformers is to transfer voltages or cur ...
IOSR Journal of Electrical and Electronics Engineering (IOSRJEEE)
... Abstract : Over the last ten years, the global wind energy capacity has increased rapidly and became the fastest developing renewable energy technology. The controllability of the wind turbines becomes more and more important as the power level of the turbines increases. Nowadays, for generating uni ...
... Abstract : Over the last ten years, the global wind energy capacity has increased rapidly and became the fastest developing renewable energy technology. The controllability of the wind turbines becomes more and more important as the power level of the turbines increases. Nowadays, for generating uni ...
the influence of the mechanical fatigue on the energy loss
... stresses in the parts. If the fluctuating stresses are of sufficient magnitude, even though the maximum applied stress may be considerably less than the static strength of the material, failure may occur when the stress is repeated a sufficient number of times. This failure is called the fatigue fai ...
... stresses in the parts. If the fluctuating stresses are of sufficient magnitude, even though the maximum applied stress may be considerably less than the static strength of the material, failure may occur when the stress is repeated a sufficient number of times. This failure is called the fatigue fai ...
Step 1: Run skewer through two corks as shown
... attract (and like poles repel), the coil will spin until it is aligned with its own north pole adjacent to the south pole of the permanent magnet. If at this time the current in the coil reverses itself, the coil will again produce a magnetic field but with the poles reversed. This causes the coil t ...
... attract (and like poles repel), the coil will spin until it is aligned with its own north pole adjacent to the south pole of the permanent magnet. If at this time the current in the coil reverses itself, the coil will again produce a magnetic field but with the poles reversed. This causes the coil t ...
CSS - CBSE Guess
... Q.2. Describe how a metallic rod can be made positively charged by the method of induction. Q.3. State 4 essential differences b/w charge and mass Q.4. A glass rod is rubbed with a silk cloth. Explain what will happen to their mass and charge? Why does this change occur? Q.5. What are electric field ...
... Q.2. Describe how a metallic rod can be made positively charged by the method of induction. Q.3. State 4 essential differences b/w charge and mass Q.4. A glass rod is rubbed with a silk cloth. Explain what will happen to their mass and charge? Why does this change occur? Q.5. What are electric field ...
CHAPTER 6. CONCLUSIONS. FURTHER WORK. -
... Experimental results, which match perfectly with the real simulations, have been obtained showing the validity of the entire research. Therefore, the idea of reducing the torque ripple, which is supposed to be one of the disadvantages of the classical DTC, by means of a fuzzy logic modulation, has b ...
... Experimental results, which match perfectly with the real simulations, have been obtained showing the validity of the entire research. Therefore, the idea of reducing the torque ripple, which is supposed to be one of the disadvantages of the classical DTC, by means of a fuzzy logic modulation, has b ...
Electrical & Electronic Principles
... Cryomagnets are also used for the Large Hadron Collider itself (right). The main magnets operate at around 8 tesla and a temperature of ̶ 271.3°C (1.9 K), colder than the temperature of outer space (2.7K). At these very low temperatures, the wire is superconducting, i.e. its electrical resistance is ...
... Cryomagnets are also used for the Large Hadron Collider itself (right). The main magnets operate at around 8 tesla and a temperature of ̶ 271.3°C (1.9 K), colder than the temperature of outer space (2.7K). At these very low temperatures, the wire is superconducting, i.e. its electrical resistance is ...
Types of electrical injuries
... shock symptoms can range from a barely perceptible tingle to immediate heart stoppage. As well as the electric burn injuries discussed on page 50, there may be internal bleeding, unconsciousness, respiratory paralysis, and cardiac ...
... shock symptoms can range from a barely perceptible tingle to immediate heart stoppage. As well as the electric burn injuries discussed on page 50, there may be internal bleeding, unconsciousness, respiratory paralysis, and cardiac ...
Quadrature Speed and Direction Sensors, SNG
... Sensor with 4-wire quadrature sensing is the first release of the new SNG-Q Series Speed Sensor Platform. The sensor design and manufacturing use a platform-based approach that enables costcompetitiveness and mechanical and electrical configurability. ...
... Sensor with 4-wire quadrature sensing is the first release of the new SNG-Q Series Speed Sensor Platform. The sensor design and manufacturing use a platform-based approach that enables costcompetitiveness and mechanical and electrical configurability. ...
TRANSIENT STABILITY -OBJECTIVE TYPE QUESTIONS The
... swing curves. If these curves show that the angle between any two machines tends to increase without limit, the system of course is unstable. If, on the other hand, after all the disturbances including switching have occurred, the angles between the two machines of every possible pair reach maximum ...
... swing curves. If these curves show that the angle between any two machines tends to increase without limit, the system of course is unstable. If, on the other hand, after all the disturbances including switching have occurred, the angles between the two machines of every possible pair reach maximum ...
From Ideas To Implementation Experiments
... At different wavelengths, there is a higher frequency, pitch. (larger gap). The voltage across the gap produces electromagnetic radiation. Energy is transferred from the spark to the radio in the form of electromagnetic radiation which oscillate back and forth. conclusion: Radio waves were p ...
... At different wavelengths, there is a higher frequency, pitch. (larger gap). The voltage across the gap produces electromagnetic radiation. Energy is transferred from the spark to the radio in the form of electromagnetic radiation which oscillate back and forth. conclusion: Radio waves were p ...
