Thermodynamic cycle process system

• US 9,291,380 B2
• Filed: 07/26/2013
• Issued: 03/22/2016
• Est. Priority Date: 09/20/2012
• Status: Active Grant

• Current Assignee: Ebm-Papst Mulfingen GmbH & Company KG
• Original Assignee: Ebm-Papst Mulfingen GmbH & Company KG
• Inventors: Sauer, Thomas
• Primary Examiner(s): GLASS, ERICK DAVID
• Application Number:
  US14/429,506
• Publication Number:
  US 20150253052A1
• Time in Patent Office: 970 Days
• Field of Search: 318/400.3
• US Class Current: 1/1
• CPC Class Codes: F25B 49/025 Motor control arrangements
• CPC Class Codes: H02J 9/062 for AC powered loads
• CPC Class Codes: H02M 1/0006 Arrangements for supplying an adequate voltage to the control circuit of converters
• CPC Class Codes: H02M 1/007 Plural converter units in cascade push-pull DC/DC converters with pre-regulator H02M3/3374; DC-AC converters following a DC-DC stage including a high frequency transformer H02M7/4807; DC-AC converters following a DC-DC conversion stage generating periodically varying voltages H02M7/4826
• CPC Class Codes: H02M 1/008 Plural converter units for generating at two or more independent and non-parallel outputs, e.g. systems with plural point of load switching regulators
• CPC Class Codes: H02M 1/44 Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
• CPC Class Codes: H02M 5/458 using semiconductor devices only
• CPC Class Codes: H02P 6/34 Modelling or simulation for control purposes

Abstract

The present invention relates to a thermodynamic cycle process system comprising at least two heat exchangers, an EC compressor, and a combination of electronic components such as EC fans, electronic regulator valves and/or EC pumps. A central supply electronics unit can be connected to an AC voltage source, wherein the electronic components have an integrated power electronics device which produces the PWM operating voltage required for the electronic components. The central supply electronics unit is connected to the individual integrated power electronics devices for the electronic components, and produces the supply voltages required for the respective power electronics devices.

Claims

1. A thermodynamic cycle process system, comprising a central supply electronics that can be connected to an AC voltage source, the central supply electronics having an EMC filter and an input current limiter, a central regulator unit which is connected to a central supply electronics, the central supply electronics producing the supply voltage required for the central regulator unit, at least two heat exchangers, an electronically commutated compressor and a combination of electronic components comprising electronically commutated fans, electronic regulator valves and/or electronically commutated pumps,

wherein the electronic components each have an integrated power electronics with a driver, a power output stage as an IGBT switch and a current sensing resistor, which produces the PWM operating voltage required for the electronic components, and wherein the central supply electronics is connected to the individual integrated power electronics for the electronic components and produces the supply voltages required for the respective power electronics, wherein the central supply electronics comprises an intermediate circuit for providing a first supply voltage and two different DC/DC voltage transformers for providing a second and a third supply voltage, and wherein each electronic component comprises an integrated control unit and the central regulator unit is connected to the integrated control units of the electronic components.

2. The thermodynamic cycle process system according to claim 1, wherein the central supply electronics can be connected to a single-phase AC voltage source.

3. The thermodynamic cycle process system according to claim 1, wherein the central supply electronics can be connected to a three-phase AC voltage source.