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Technical Features

 



 

 

Technical Features

October 2011
Precision Power Analysis

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Figure 1: Measuring power-train efficiency in an electric vehicle, showing four DC measurements (1 to 4) with the corresponding mechanical power measurements (M1 to M4)



In the rapidly evolving area of power electronics, the need for reliable testing to enhance safety, efficiency and performance has never been greater. In sectors as diverse as renewable energy, electric vehicles and energy-efficient technologies, changing application needs and evolving industry standards call
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Date:
12/01/2018
Making the Most of Iron

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Figure 1: Broadband attenuation

In recent years, innovative soft magnetic materials have moved to the forefront of electrical engineering and electronics and led to the development of many advanced components. Today, VACUUMSCHMELZE
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Date:
10/29/2011
Why Simulation Software?

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Analysis of insulator covered with water droplets

Using modelling software in this current economic market speeds up delivery time by increased accuracy at an early stage in the design process. The majority of engineering designers today
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Date:
10/29/2011
Medical Goes Mobile

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Figure 1

In the world of medical devices, smaller is more beautiful. The market has seen a plethora of product announcements that herald a new era in size and portability. While research teams
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Date:
10/29/2011

Patient Protection

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LTM2881 2.5kVRMS isolated RS485 μModule transceiver

An important consideration when designing medical products is satisfying the IEC 60601-1 safety standard and the isolation ratings for products that come into contact with patients. One
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Date:
10/29/2011
Information Fusion in Medical Systems

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Figure 1

As medical instrumentation acquires increased processing power, the amount of information that is gathered from a patient is growing exponentially. Whenever large amounts of data are presented
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Date:
10/29/2011
Designing for Medical

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The vital selection process required for choosing the most suitable supplier for a medical power supply and to achieve requirements for EN60601 specifications Power supplies are a critical
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Date:
10/29/2011
IEC60601 Medical Standards

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The internationally accepted IEC 60601-1 standard has been continuously developed to help alleviate safety issues relating to all manner of medical equipment. Engineers need to be aware
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Date:
10/29/2011
Power Conditioning

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POWERVAR SecurityPlus product

In a two-year study involving customer projects around the world, POWERVAR, a power management systems company, examined how power quality technology can significantly reduce the service burden
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Date:
10/29/2011
Highly Efficient Flyback

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Table 1: Turns Ratios and Inductances

For industrial applications, power supplies with galvanic isolation in the range of 10 to 20W are often required. In general, a flyback converter is a good choice for this application. But
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Date:
10/20/2011
Sensor-Driven Solid State Lighting

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Fig 1 LED Driver

Over 20% of the energy consumed in the US is in lighting; in fact, next to heating and air conditioning systems, lighting systems account for the greatest energy. Today, adequate daylight
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Date:
10/19/2011
A new generation of low power, self-configuring network devices capable of remote management via a web connected smartphone or tablet PC are set to deliver the next healthcare revolution. The cost of providing healthcare to those recovering from illness or surgery has risen rapidly in recent years
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Date:
10/14/2011
Ridley Universal Injector

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Figure 1: The RIDLEY UNIVERSAL INJECTOR offers extraordinary wideband operation with either large voltage drive, or high current drive.

A Brief History I have been working with frequency response analyzers for over 30 years. My first introduction was when working on switching power supplies during my undergraduate degree at
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Date:
10/13/2011
Testing Photovoltaic Inverters

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Figure 1: Islanding

PV is becoming pervasive, but there are vital safety considerations that need to be adhered to - and tested thoroughly Introduction to islanding Islanding of photovoltaic systems
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Date:
10/08/2011
Smart Grid Security

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We have often seen reported the potential for data theft, either on an individual basis, or on a larger scale. The question is how to lessen the risk of the worst happening in smart grid metering. The
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Date:
10/08/2011
Monitoring Transformers

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Implementation of a RightWon in a small distribution substation connecting IEDs, a meter and sensors located on the transformers within the substation

Transformers serve as a hub for collection and distribution of energy changing the voltage level at different locations of the Grid. They are a key component of the Smart Grid. These components
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Date:
10/08/2011
Auto Battery Assist

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Figure 1

Supercapacitors, or Electrochemical Double Layer Capacitors (EDLCs), were invented in the 1960's and introduced for use in back-up applications by NEC in 1979 for clocks in VCRs, radios and microwave
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Date:
10/08/2011
Next Generation Small Cell Wireless Networks

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Figure 1: A typical small cell cabinet with power system and battery backup included (top left side)

The growth of the mobile Internet has been more dramatic than any pundit could have imagined. Fueled by the iPhone and other smartphones, enthusiastic mobile Internet users have turned to email,
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Date:
10/08/2011
Reducing Industrial Energy Consumption

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Wi-LEM Schematic illustration

Today, as never before, the subject of energy efficiency is on everyone's agenda, at personal, corporate and national levels. It is no surprise, therefore, that there is scope in many manufacturing
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Date:
10/07/2011
Smart Grid Progress

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The Smart Grid will bring massive changes to the way energy is delivered to homes. If the intent is to make everyone aware of and responsible for their personal energy usage, the Smart Grid is
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Date:
10/07/2011
Loads on the Grid

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Figure 1

There are many applications today where the prevailing brushed DC motors continue to represent high demand on the power grid. In most cases, these durable motors, based on proven technology,
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Date:
10/07/2011
Safe Photovoltaic Systems

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Future energy challenges are due to the depletion of fossil fuel reserves and urgent climate concerns. The new Power Grid will rely heavily on PV installations and their safety The photovoltaic
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Date:
10/07/2011
Powerline Communications

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Figure 1: Scheme for PLC technology. In a TLACS system from Nyx Hemera Technologies a local controller integrates PLC to communicate with the network controller over the AC line and controls each lamp using a standard DALI interface

Street lighting in its many forms - roadway lighting, tunnel lighting, car park lighting and urban lighting - is a major consumer of grid electricity. All outdoor lighting is, in fact,
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Date:
10/07/2011
Cutting Utility Bills

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Figure 1: Dimming ballast block diagram.

Legislation mandating adoption of energy-saving lighting, such as the EU Lighting Directive, can help governments meet CO2 reduction obligations while also helping reduce end users' utility bills. As
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Date:
10/07/2011

 



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