3287875
Beschreibung
Mindmap von David Buitrago, aktualisiert more than 1 year ago
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Erstellt von David Buitrago
vor mehr als 9 Jahre
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|
VDC TAKES ON VAC
- In the past
- Control devices , have
required too much power
- With
- More emphasis on 24 Vdc as the
control voltage of choice
- those
- include
programmable
logic controllers
- include
programmable
logic controllers
- those
- More emphasis on 24 Vdc as the
control voltage of choice
- With
- Control devices , have
required too much power
- Technology advances
- appears the
power transistors
- those
- help to reduce
- The issues of excessive dc
voltage drop over long cable runs
- appear a new generation of
- Contactors
- Starters
- Control relays
- Sensors
- Contactors
- appear a new generation of
- The issues of excessive dc
voltage drop over long cable runs
- help to reduce
- those
- The equipmnet
- Is focus on
- The importance of
personnel protection
- using
- remote switching
and arc-venting
switchgear
- remote switching
and arc-venting
switchgear
- also
- The codes and
standards have
changed significantly
- Focus on
- Reduce the potential
of exposure to
hazardous-touch
voltages.
- Reduce the potential
of exposure to
hazardous-touch
voltages.
- Focus on
- The codes and
standards have
changed significantly
- using
- The importance of
personnel protection
- Is focus on
- appears the
power transistors
- The main objective is prevent the
insecurity in the management of the
electrical devices
- And solve the issues that could
happen with the changes
- Also
- Aspects
- Design
- Operational life
- Reliability
- Hardware
- Costs
- Installation
- Design
- Aspects
- Also
- And solve the issues that could
happen with the changes
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