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High Voltage Power Supplies
High Voltage Power Supplies

... Series 2290 Power Supplies and a Model 2290PM-200 Protection Module protect both user and instrumentation from hazardous voltages. An interlock circuit built into the power supplies can be used to ensure that the output voltage is disabled if a high voltage test fixture access door is open. In addit ...
HSF-1UR - Kepco power supplies
HSF-1UR - Kepco power supplies

... operating in a parallel configuration causes output current to be shared equally. (See Rack Adapter Manual for additional information on parallel configurations.). For current sharing to work properly the outputs of all paralleled units must be within 250 mV (max) of each other and each unit must be ...
Application Note No. 099
Application Note No. 099

... Measurement Results oscillation at a temperature of 25 °C and a supply voltage of 3 V. Please note that the shift in frequency of oscillation is only a few kilohertz and this shift depends strongly on the performance of the SAW-resonator used in the application. ...
CS EU Operation and installation manual SOLIVIA CS EU G3
CS EU Operation and installation manual SOLIVIA CS EU G3

... MPP is achieved through the software. The central inverter easily changes its operating point again and again and compares the new output with that of the previous operating point. The software then decides whether the new operating point is better than the old one. This procedure is also known as t ...
Aalborg Universitet Benchmarking of Constant Power Generation Strategies for Single-Phase Grid-
Aalborg Universitet Benchmarking of Constant Power Generation Strategies for Single-Phase Grid-

Example 1 - UniMAP Portal
Example 1 - UniMAP Portal

... A 15-kVA 8000/230V distribution transformer has impedance referred to the primary of 80 + j300 Ω. The components of the excitation branch referred to the primary side are RC = 350kΩ and XM = 70kΩ. a) If the primary voltage is 7967 V and the load impedance is ZL = 3.0 + j1.5Ω, what is the secondary v ...
simulation of matrix converter-fed permanent magnet synchronous
simulation of matrix converter-fed permanent magnet synchronous

S280-77-6
S280-77-6

... External leads must be shielded and the shield must be grounded at both ends. Terminate the shield and each lead with a GE V150LA20A metal oxide varistor (MOV), or equivalent, at the remote end. Attach MOV’s between the leads and ground. Failure to properly shield and protect leads can result in equ ...
CRO notes(8th Unit)
CRO notes(8th Unit)

... signal in various parts of the circuit. It, in effect, gives to ‘see’ what is happening inside the circuit itself. It is only by ‘seeing’ the signal waveform can correct errors, understand mistakes in the circuit design and thus make suitable adjustments. ...
Lab- Parallel Circuits
Lab- Parallel Circuits

... Method – Part A – Series circuit 1. Connect a series circuit. Start at the negative terminal and add on the components in the following order: power source set to 10 V, ammeter, open switch, bulb, resistor. 2. Turn on the source and close the switch. Record the current (IT) in observation Table 1. 3 ...
A Simple Control Scheme for Single
A Simple Control Scheme for Single

Final Report – Team 1613
Final Report – Team 1613

... and have an effective charger. But then resistance across the load, now becomes a problem. As shown above, the resistance values are different between configurations. The easiest solution to this is just sticking with one configuration for our charger. Another, more complex option is to put two resi ...
AP8803 Description Features Pin Assignments Typical Applications
AP8803 Description Features Pin Assignments Typical Applications

... Products described herein may be covered by one or more United States, international or foreign patents pending. Product names and markings noted herein may also be covered by one or more United States, international or foreign trademarks. ...
Modulation
Modulation

6517B Electrometer/High Resistance Meter
6517B Electrometer/High Resistance Meter

Safety precautions and elementary First aid
Safety precautions and elementary First aid

... Drilling practice, fitting exercises on various shapes, of measuring and marking. Description of files, hammers , chisels, Tapping and Chipping hacksaw frames , blades -their specifications and uses. Different Practice on cutting, plaining and making different joints Metals and alloys- their charact ...
ACS754xCB-050
ACS754xCB-050

... Copyright ©2004-2008, Allegro MicroSystems, Inc. The products described herein are manufactured under one or more of the following U.S. patents: 5,045,920; 5,264,783; 5,442,283; 5,389,889; 5,581,179; 5,517,112; 5,619,137; 5,621,319; 5,650,719; 5,686,894; 5,694,038; 5,729,130; 5,917,320; and other pa ...
FuG Manual NTN Series: englisch - SMT
FuG Manual NTN Series: englisch - SMT

BDTIC
BDTIC

... The Low Power Hall IC Switch comprises a Hall probe, bias generator, compensation circuits, oscillator, output latch and an n-channel open drain output transistor. The bias generator provides currents for the Hall probe and the active circuits. Compensation circuits stabilize the temperature behavio ...
LIGHTNING THEORY – Explanations
LIGHTNING THEORY – Explanations

... Much has been written about the protection of equipment connected to Smart Grid AC power [see for example www.NEMASURGE.com], but little has been said about protection of Smart Grid communications. Protection of communication links is important, because Smart Grid operation depends on two-way commun ...
AN-1958 LMP860X SOIC Eval Board User`s Guide
AN-1958 LMP860X SOIC Eval Board User`s Guide

... stages, a preamplifier with a gain of 10x and an output stage buffer amplifier with a gain of 2x, 5x, 10x. The connection between the two stages of the signal path is brought out on two pins to enable the possibility to create an additional filter network around the output buffer amplifier. These pi ...
Research Article Matrix Converter Based Unified Power Quality
Research Article Matrix Converter Based Unified Power Quality

Digilent NXVGA Reference Manual
Digilent NXVGA Reference Manual

... and those rays are fed by the current that flows into the cathodes. These particle rays are initially accelerated towards the grid, but they soon fall under the influence of the much larger electrostatic force that results from the entire phosphor-coated display surface of the CRT being charged to 2 ...
LM193JAN Low Power Low Offset Voltage Dual
LM193JAN Low Power Low Offset Voltage Dual

... which the device is functional, but do not ensure specific performance limits. For ensured specifications and test conditions, see the Electrical Characteristics. The ensured specifications apply only for the test conditions listed. Some performance characteristics may degrade when the device is not ...
Dual Bidirectional I2C-Bus and SMBus Voltage
Dual Bidirectional I2C-Bus and SMBus Voltage

< 1 ... 700 701 702 703 704 705 706 707 708 ... 1265 >

Islanding

Islanding refers to the condition in which a distributed generator (DG) continues to power a location even though electrical grid power from the electric utility is no longer present. Islanding can be dangerous to utility workers, who may not realize that a circuit is still powered, and it may prevent automatic re-connection of devices. For that reason, distributed generators must detect islanding and immediately stop producing power; this is referred to as anti-islanding.The common example of islanding is a grid supply line that has solar panels attached to it. In the case of a blackout, the solar panels will continue to deliver power as long as irradiance is sufficient. In this case, the supply line becomes an ""island"" with power surrounded by a ""sea"" of unpowered lines. For this reason, solar inverters that are designed to supply power to the grid are generally required to have some sort of automatic anti-islanding circuitry in them.In intentional islanding, the generator disconnects from the grid, and forces the distributed generator to power the local circuit. This is often used as a power backup system for buildings that normally sell their excess power to the grid.
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