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UF_–PNPI_HV_system_status
UF_–PNPI_HV_system_status

... Extra sensitivity of the Master board to the ripples of the input HV The output voltage ripple is specified as 0.1% for primary power supply. At 3 KV of output voltage this value may be up to 3 V. In our case we have 0.8 V of the ripple with 2 main frequencies - 30 KHz and 100 Hz. 30 KHz frequency ...
Precision High Side Current Sense Amplifiers
Precision High Side Current Sense Amplifiers

... The LT1999 accurately measures fast switching currents in H-bridge motor controls, switching power supplies, solenoids and battery chargers. It features a –5V to 80V input common mode voltage range, 2MHz bandwidth, less than 1.5mV offset voltage and 0.5% gain error over temperature. With more than 8 ...
MJD361T4-A
MJD361T4-A

... Resale of ST products with provisions different from the statements and/or technical features set forth in this document shall immediately void any warranty granted by ST for the ST product or service described herein and shall not create or extend in any manner whatsoever, any liability of ST. ...
Technical Means of Automation
Technical Means of Automation

... any potential situation where a person become a part of electric circuit providing the equipment with higher voltages than deigned for shorting circuits ...
Potential Dividers
Potential Dividers

Nominal 48 V input range - Power Sources Manufacturers Association
Nominal 48 V input range - Power Sources Manufacturers Association

review for elec 105 midterm exam #1 (fall 2001)
review for elec 105 midterm exam #1 (fall 2001)

Исследование Влияния Параметрических Расстроек На
Исследование Влияния Параметрических Расстроек На

... output filter, and improving the quality of the input current of rectifier leads to improved electromagnetic compatibility of converter with the supply grid, especially in cases of comparable power rectifier and power supply. In this case, the load is an electric drive up to 600 kW. This reduces the ...
Regatron Power Supplies 32 kW / 600 VDC / 66 A - Schulz
Regatron Power Supplies 32 kW / 600 VDC / 66 A - Schulz

... Higher current if CDF < 100%, no derating if unit equipped with optional liquid cooling. 3) Optionally extendable to a maximum of 12‘000 mΩ. 4) Typical value for 0 – 100 % load variation, at constant line input and temperature conditions. 5) Typical value for input voltage variation within 360 – 440 ...
Matter
Matter

... having more than one path along which electric current can travel ...
VIPer100 - Hobbielektronika.hu
VIPer100 - Hobbielektronika.hu

... 0% to about 90% for VIPer100, versus the 3% to 70% available on the market. The main benefit for users is the possibility to operate in stand-by mode with nearly zero power output. Larger regulation loop bandwidth. VIPer100 provides a specific path for compensation components (COMP pin), offering a ...
STN851-A
STN851-A

... Resale of ST products with provisions different from the statements and/or technical features set forth in this document shall immediately void any warranty granted by ST for the ST product or service described herein and shall not create or extend in any manner whatsoever, any liability of ST. ...
ps1 viva notes
ps1 viva notes

... Q8. What is the power system stability? A. The ability of the system to reach a normal or stable condition after being disturbed is called stability. Under stable condition system stay in synchronism. Q9. What is the stability limit and transmission capability? A.b The stability limit is the max. po ...
2SB1690K
2SB1690K

... No technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of ROHM CO.,LTD. The contents described herein are subject to change without notice. The specifications for the product described in this document are for reference only. Up ...
Electrical Hazards - DCA-BR
Electrical Hazards - DCA-BR

... And now comes the most important. When two If we do not use gloves, when we touch at some non-conductive materials come in contact and point energized, it is advisable to use only the have a relative motion, can be generated static hand more well trained (if possible), keeping the electricity. This ...
Synchronous Motors
Synchronous Motors

... Motor-to-Generator Transition (cont) • Begin with motor driven from the infinite bus and the turbine torque in the same direction as the motor torque. • The motor operates normally, driving the water pump. ...
Hytec 1U IOC
Hytec 1U IOC

... (Tri-states). • The bus is tri-stated actually before its connected, safe guarding the other IOC cards. Provisional Hytec Electronic Ltd www.hytec-electronics.co.uk ...
Icar - Dacpol
Icar - Dacpol

... In conflict with this we are faced with the fact that any semiconductor device is essentially a switch, and switching a DC gives square waves. In fact the great efficiency of modern inverters it is mainly due to the fact that last generation of semiconductors (like IGBT) switches very quickly from t ...
Resistance vs. Cross-Sectional Area
Resistance vs. Cross-Sectional Area

... number of data was collected, more could have always been better. While we do get to see that there is a difference, more data points would have enabled a more precise way to distinguish them. For example, instead of collecting data every .5 amps, data could be collected every .25 or even every tent ...
Gamry G750 Potentiostat
Gamry G750 Potentiostat

... a. Type the name of your file: Unless you specify otherwise, all data files are automatically saved in the “My Gamry Data” folder on the desktop. You can change this from the “Default” button. b. Set your electroplating currents: This program allows you to set two different currents. If you just wan ...
Type LG Braking Modules
Type LG Braking Modules

... AC variable frequency drives are commonly used with general purpose AC induction motors to form reliable variable speed drive systems. Problems with these drive systems can occur when an application requires a deceleration rate faster than what can be managed by the drive alone, or when motor speeds ...
svc
svc

... which the thyristor valves are connected. Once the SVC capacity is determined, the best way to design the valve is to use the thyristor current capability at its maximum. Then the minimum necessary AC voltage is derived to obtain the given capacity. The AC voltage across the thyristor valve determin ...
IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE)
IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE)

... Voltage sag is a decrease of the normal voltage level between 10 and 90% of the nominal rms voltage at the power frequency, for durations of 0. 5 cycle to 1 minute. Faults on the transmission or distribution network, faults in consumer’s installation, connection of heavy loads and start-up of large ...
IOSR Journal of Computer Engineering (IOSR-JCE) e-ISSN: 2278-0661,p-ISSN: 2278-8727 PP 32-35 www.iosrjournals.org
IOSR Journal of Computer Engineering (IOSR-JCE) e-ISSN: 2278-0661,p-ISSN: 2278-8727 PP 32-35 www.iosrjournals.org

AC-DC Power Transmision
AC-DC Power Transmision

... voltage regulation within allowable limit, the simultaneous power flow does not imposed any extra burden on stability of the system, rather it improves the stability. ...
< 1 ... 1836 1837 1838 1839 1840 1841 1842 1843 1844 ... 1974 >

Mains electricity



Mains electricity is the general-purpose alternating-current (AC) electric power supply. In the US, electric power is referred to by several names including household power, household electricity, house current, powerline, domestic power, wall power, line power, AC power, city power, street power, and grid power.The two principal properties of the electric power supply, voltage and frequency, differ between regions. A voltage of (nominally) 230 V and a frequency of 50 Hz is used in Europe, most of Asia, most of South America and Australia. In North America, the most common combination is 120 V and a frequency of 60 Hz. Other voltages exist, and some countries may have, for example, 230 V but 60 Hz. This is a concern to travelers, since portable appliances designed for one voltage and frequency combination may not operate or may be destroyed by another.The use of different plugs and sockets in different regions provides some protection from accidental use of appliances with incompatible voltage and frequency requirements.
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