What is Lightning - Academica-e
... the contact of the stepped leader and the connecting leader, there is a first return stroke resulting (at ground) in a high amplitude impulse current lasting for a few hundred microseconds. Following the first return strokes, subsequent return stroke(s) and continuing current(s) may occur. Although ...
... the contact of the stepped leader and the connecting leader, there is a first return stroke resulting (at ground) in a high amplitude impulse current lasting for a few hundred microseconds. Following the first return strokes, subsequent return stroke(s) and continuing current(s) may occur. Although ...
Ch4. LLC Resonant Converter
... Resonant converter, which were been investigated intensively in the 80's [B1][B7], can achieve very low switching loss thus enable resonant topologies to operate at high switching frequency. In resonant topologies, Series Resonant Converter (SRC), Parallel Resonant Converter (PRC) and Series Paralle ...
... Resonant converter, which were been investigated intensively in the 80's [B1][B7], can achieve very low switching loss thus enable resonant topologies to operate at high switching frequency. In resonant topologies, Series Resonant Converter (SRC), Parallel Resonant Converter (PRC) and Series Paralle ...
Dynamic Gate
... reduced load capacitance due to lower number of transistors per gate (Cint) so a reduced logical effort reduced load capacitance due to smaller fan-out (Cext) no Isc, so all the current provided by PDN goes into discharging CL Ignoring the influence of precharge time on the switching speed of the ga ...
... reduced load capacitance due to lower number of transistors per gate (Cint) so a reduced logical effort reduced load capacitance due to smaller fan-out (Cext) no Isc, so all the current provided by PDN goes into discharging CL Ignoring the influence of precharge time on the switching speed of the ga ...
Planning of Electric Power Distribution
... Regarding the planning concept for power supply, it is not only imperative to observe standards and regulations, it is also important to discuss and clarify economic and technical interrelations. To this end electric equipment, such as distribution boards and transformers, is selected and rated in s ...
... Regarding the planning concept for power supply, it is not only imperative to observe standards and regulations, it is also important to discuss and clarify economic and technical interrelations. To this end electric equipment, such as distribution boards and transformers, is selected and rated in s ...
oskari törhönen benefits of main reactor based svc in utility
... power have brought about a negative effect on power system stability, which makes it harder to utilize the available transmission capacity. One option to overcome such problems is to use Flexible AC Transmission Systems (FACTS) as a part of the power system. The main aim of the FACTS equipment is to ...
... power have brought about a negative effect on power system stability, which makes it harder to utilize the available transmission capacity. One option to overcome such problems is to use Flexible AC Transmission Systems (FACTS) as a part of the power system. The main aim of the FACTS equipment is to ...
- White Rose eTheses Online
... the performance of the MPPT algorithm and proposes methods to minimise the impact on the tracking performance under different conditions. The effect of analogue-to-digital conversion (ADC) resolution and the use of mean (average), moving average, median and mean-median filters are first investigated ...
... the performance of the MPPT algorithm and proposes methods to minimise the impact on the tracking performance under different conditions. The effect of analogue-to-digital conversion (ADC) resolution and the use of mean (average), moving average, median and mean-median filters are first investigated ...
(Card) Coil Design Guide
... • Multiple cards in the field. The coil shall be designed in a way to achieve operation of multiple MIFARE® cards in the field even if they are on top of each other. • Defined position of the coil in the card. The position of the coil in the card has to be within certain limits to ensure that this c ...
... • Multiple cards in the field. The coil shall be designed in a way to achieve operation of multiple MIFARE® cards in the field even if they are on top of each other. • Defined position of the coil in the card. The position of the coil in the card has to be within certain limits to ensure that this c ...
A Multi-Mode Charging Circuit for Rechargeable Batteries
... PRUH SRSXODU LQ SHRSOH¶V GDLO\ OLIH VXFK DV QRWHERRNV mobile phones or even (hybrid) electric vehicles. Since WKHVH GHYLFHV FRQWLQXRXVO\ FRQVXPH SOHQW\ RI HQHUJ\ LW¶V reasonable to adopt rechargeable batteries as power source of these applications. However, there are still a lot ...
... PRUH SRSXODU LQ SHRSOH¶V GDLO\ OLIH VXFK DV QRWHERRNV mobile phones or even (hybrid) electric vehicles. Since WKHVH GHYLFHV FRQWLQXRXVO\ FRQVXPH SOHQW\ RI HQHUJ\ LW¶V reasonable to adopt rechargeable batteries as power source of these applications. However, there are still a lot ...
UPS Solutions
... without active conversion. The battery is charged from the mains. In the event of a power cut or fluctuation, the UPS delivers stable power from the battery. The advantages of this topology are low cost and adequacy for office environments. Passive standby topology is not suitable if the power suppl ...
... without active conversion. The battery is charged from the mains. In the event of a power cut or fluctuation, the UPS delivers stable power from the battery. The advantages of this topology are low cost and adequacy for office environments. Passive standby topology is not suitable if the power suppl ...
Dowload PDF - ABL Sursum
... We place the highest value on user safety in all our products. This is why the eMC2 charging pole also features, in addition to internal safety switches, residual current circuit breakers, which, in combination with the protective measures that are part of onsite electrical installations, offer effe ...
... We place the highest value on user safety in all our products. This is why the eMC2 charging pole also features, in addition to internal safety switches, residual current circuit breakers, which, in combination with the protective measures that are part of onsite electrical installations, offer effe ...
Annunciator Relays MR 10 and MRE 10 MR 20 and MRE 20
... In the normal condition the indicating area is black. With the action of the relay the indicating flag (a white area with legend) becomes visible. Simultaneously the auxiliary contacts are actuated. By pressing the reset button below the indicating flag the message is acknowledged. The indicating fl ...
... In the normal condition the indicating area is black. With the action of the relay the indicating flag (a white area with legend) becomes visible. Simultaneously the auxiliary contacts are actuated. By pressing the reset button below the indicating flag the message is acknowledged. The indicating fl ...
High Frequency, High Power Density Integrated
... transistors are high electron mobility transistors offering a higher band gap, electron mobility, and electron velocity than Si devices. These material characteristics make the GaN device more suitable for higher frequency and voltage operation. This work will discuss the fundamentals of utilizing t ...
... transistors are high electron mobility transistors offering a higher band gap, electron mobility, and electron velocity than Si devices. These material characteristics make the GaN device more suitable for higher frequency and voltage operation. This work will discuss the fundamentals of utilizing t ...
Power Supplies for High-Power Piezoelectric
... as scientific co-worker at University of Paderborn, department of Power Electronics and Electric Drives (LEA), Germany. I would like to express my sincerely high appreciation to my advisor Prof. Dr.-Ing. Joachim Böcker for his strict confidence, availability and full support throughout the whole per ...
... as scientific co-worker at University of Paderborn, department of Power Electronics and Electric Drives (LEA), Germany. I would like to express my sincerely high appreciation to my advisor Prof. Dr.-Ing. Joachim Böcker for his strict confidence, availability and full support throughout the whole per ...
Full Power Balanced Power Amplifiers Instructions for Use
... installations, balanced connections have 6 dB more gain than single-ended connections and allow the use of long interconnect cables. Balanced connections are completely immuneto induced noise from the systemor the environment. Krell Current Audio Signal Transmission (CAST) A proprietary Krell circui ...
... installations, balanced connections have 6 dB more gain than single-ended connections and allow the use of long interconnect cables. Balanced connections are completely immuneto induced noise from the systemor the environment. Krell Current Audio Signal Transmission (CAST) A proprietary Krell circui ...
Practical Aspects of Rogowski Coil Applications to Relaying
... (CTs). The main difference between Rogowski Coils and CTs is that Rogowski Coil windings are wound over an (non-magnetic) air core, instead of over an iron core. As a result, Rogowski Coils are linear since the air core cannot saturate. However, the mutual coupling between the primary conductor and ...
... (CTs). The main difference between Rogowski Coils and CTs is that Rogowski Coil windings are wound over an (non-magnetic) air core, instead of over an iron core. As a result, Rogowski Coils are linear since the air core cannot saturate. However, the mutual coupling between the primary conductor and ...
Shark 100/100T User Manual V.1.18
... In 1893 an engineer and mathematician named Andre E. Blondell set forth the first scientific basis for polyphase metering. His theorem states: If energy is supplied to any system of conductors through N wires, the total power in the system is given by the algebraic sum of the readings of N wattmeter ...
... In 1893 an engineer and mathematician named Andre E. Blondell set forth the first scientific basis for polyphase metering. His theorem states: If energy is supplied to any system of conductors through N wires, the total power in the system is given by the algebraic sum of the readings of N wattmeter ...
AN10273 Power MOSFET single-shot and repetitive
... to operate under repetitive UIS conditions safely. Figure 12 shows the single-shot and repetitive avalanche SOAR curves of BUK764R0-55B, where ‘Rep. Ava’ represents the ‘repetitive avalanche SOAR curve’. ...
... to operate under repetitive UIS conditions safely. Figure 12 shows the single-shot and repetitive avalanche SOAR curves of BUK764R0-55B, where ‘Rep. Ava’ represents the ‘repetitive avalanche SOAR curve’. ...
Capacitive Discharge Ignition vs Magnetic
... The stored magnetic field energy cited in equation 2 is released to supply the spark shortly after the contacts open. When the distributor contact opens, the magnetic field in the coil‟s core begins to collapse and back emf (or voltage) is induced across the ignition coils terminals. The voltage ind ...
... The stored magnetic field energy cited in equation 2 is released to supply the spark shortly after the contacts open. When the distributor contact opens, the magnetic field in the coil‟s core begins to collapse and back emf (or voltage) is induced across the ignition coils terminals. The voltage ind ...