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Harold Schnetzka Phones & Addresses

  • 212 Fremont Dr, Simpsonville, SC 29680 (864) 228-7291
  • 280 Estate Dr, York, PA 17404
  • 4495 Estate Dr, York, PA 17404
  • Spring Grove, PA
  • 212 Fremont Dr, Simpsonville, SC 29680

Work

Company: Ge renewable energy Aug 2016 Position: Renewables chief consulting engineer - power conversion

Education

Degree: Bachelors, Bachelor of Science School / High School: Pennsylvania State University 1975 to 1979 Specialities: Electronics Engineering

Skills

Power Electronics • Power Devices • Igbt • Silicon Carbide • Electronics • Inventor • Energy Efficiency • Wind Power • Variable Frequency Drives • Vsd • Renewable Energy • Solar Power • Mosfet • Gan • Motors • Aerospace Engineering • Military Engineering • Turbines • Generators • Power Systems • Electrical Engineering • Engineering Management • Root Cause Analysis • Industrial Control • Factory • Power Conversion • Solar Energy • Smart Grid • Control Systems Design • Electric Power • Power Distribution • Power Generation • Energy Management • Wind Turbines • Engineering • Six Sigma

Languages

English • Hebrew • French

Interests

Social Services • Children • Civil Rights and Social Action • Education • Environment • Poverty Alleviation • Science and Technology • Human Rights • Animal Welfare

Industries

Utilities

Resumes

Resumes

Harold Schnetzka Photo 1

Renewables Chief Consulting Engineer - Power Conversion

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Location:
212 Fremont Dr, Simpsonville, SC 29680
Industry:
Utilities
Work:
Ge Renewable Energy
Renewables Chief Consulting Engineer - Power Conversion

Ge Renewable Energy Aug 2014 - Aug 2016
Consulting Engineer - Electrical Systems

Ge Energy Connections Aug 2011 - Aug 2014
Chief Consulting Engineer - Power Conversion

Fairchild Controls Jan 2007 - Jul 2011
Chief Engineer and Power Electronics Specialist

Johnson Controls May 1979 - Jan 2007
Senior Technical Manager, Power Electronics and Motors
Education:
Pennsylvania State University 1975 - 1979
Bachelors, Bachelor of Science, Electronics Engineering
Pennsylvania State University 1967 - 1971
Bachelors, Bachelor of Science
Skills:
Power Electronics
Power Devices
Igbt
Silicon Carbide
Electronics
Inventor
Energy Efficiency
Wind Power
Variable Frequency Drives
Vsd
Renewable Energy
Solar Power
Mosfet
Gan
Motors
Aerospace Engineering
Military Engineering
Turbines
Generators
Power Systems
Electrical Engineering
Engineering Management
Root Cause Analysis
Industrial Control
Factory
Power Conversion
Solar Energy
Smart Grid
Control Systems Design
Electric Power
Power Distribution
Power Generation
Energy Management
Wind Turbines
Engineering
Six Sigma
Interests:
Social Services
Children
Civil Rights and Social Action
Education
Environment
Poverty Alleviation
Science and Technology
Human Rights
Animal Welfare
Languages:
English
Hebrew
French

Publications

Us Patents

Anticipatory Schmitt Trigger

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US Patent:
6339352, Jan 15, 2002
Filed:
Mar 19, 2001
Appl. No.:
09/810662
Inventors:
Muhammet Cosan - York PA
Harold R. Schnetzka - York PA
Assignee:
York International Corporation - York PA
International Classification:
H03K 3037
US Classification:
327205
Abstract:
A system and method for providing an anticipatory Schmitt trigger circuit that changes the output level of the trigger circuit in anticipation of crossing a predetermined voltage value such as a zero voltage level. In an exemplary embodiment, the anticipatory Schmitt trigger includes a comparator, a feedback resistor, an input resistor, a pull-up resistor, a plurality of voltage divider resistors, and a capacitor.

Highly Efficient Driver Circuit For A Solid State Switch

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US Patent:
6404265, Jun 11, 2002
Filed:
Aug 13, 1999
Appl. No.:
09/373502
Inventors:
Harold R. Schnetzka - York PA
Assignee:
York International Corporation - York PA
International Classification:
H03K 1772
US Classification:
327443, 327475
Abstract:
Systems consistent with this invention comprise a trigger circuit for triggering a silicon device having a control terminal, where the silicon device is subject to variations in the intrinsic control requirements. The trigger circuit comprises a source of direct current (DC) supply voltage, and a DC-to-DC current mode Buck converter for converting the supply voltage into an output DC current not subject to undesired variations due to variations in the supply voltage, the Buck converter supplying to the control terminal a minimum current to turn on the silicon device despite the variations in the intrinsic control requirements. The silicon device may comprise a silicon controlled rectifier (SCR) with a gate terminal, an anode terminal, and a cathode terminal, and wherein the control terminal is the gate terminal, and wherein the variations in the intrinsic control requirements are variations in the intrinsic gate-to-cathode control current and voltage requirements.

Method And Apparatus For Detecting A Failed Thyristor

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US Patent:
6404346, Jun 11, 2002
Filed:
Aug 13, 1999
Appl. No.:
09/373501
Inventors:
Ivan Jadri - York PA
Harold R. Schnetzka - York PA
Assignee:
York International Corporation - York PA
International Classification:
G08B 2100
US Classification:
340635, 340660, 340664, 361 79, 361100, 361117
Abstract:
A method or system consistent with this invention for detecting if a thyristor failed open in an alternating current input phase of a load comprises measuring an instantaneous power delivered to the load during a cycle of the input; determining a peak power delivered to the load during the cycle of the input; calculating an average power delivered to the load during the cycle of the input; and determining if the thyristor failed open by comparing the magnitudes of the peak power and the average power.

Liquid-Cooled Power Semiconductor Device Heatsink

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US Patent:
6434003, Aug 13, 2002
Filed:
Apr 24, 2001
Appl. No.:
09/840058
Inventors:
Steven N. Roy - York PA
John F. Judge - Stewartstown PA
Harold R. Schnetzka - York PA
Assignee:
York International Corporation - York PA
International Classification:
H05K 720
US Classification:
361699, 361698, 361701, 361702, 361704, 361711, 257714, 174 151, 165 804, 16510422, 16510433
Abstract:
The present invention relates to a cold plate for cooling electronic components comprising a base having a top surface onto which at least one electronic component is to be placed; a cooling well formed in the top of the base and open at the top; a feed channel formed in the base for carrying fluid into the cooling well; a drain channel formed in the base for carrying cooling fluid away from the cooling well; cooling well inlets and outlets formed in the cooling well and in communication with the feed channel and drain channels, respectively. The feed and drain channels are sufficiently large relative to the size and flow characteristics of the well and cooling well inlets and outlets such that when the cooling fluid flows through the device, the pressure drop across the feed channel is substantially less than the pressure drop across the well.

Control Loop And Method For Variable Speed Drive Ride-Through Capability Improvement

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US Patent:
6686718, Feb 3, 2004
Filed:
Nov 27, 2001
Appl. No.:
09/993638
Inventors:
Ivan Jadric - York PA
Harold Schnetzka - York PA
Assignee:
York International Corp. - York PA
International Classification:
H02P 534
US Classification:
318801, 318479, 318812
Abstract:
A variable speed drive (VSD) having a rectifier, an inverter, an inverter modulator, an inverter controller, and a control loop, for controlling a motor load, wherein the control loop reduces an amount of power transferred to the inverter during a voltage sag. The control loop may include a reference generator, a filter, a regulator, and a ride-through corrective algorithm. A method for controlling a VSD to improve voltage sag ride-through by monitoring a voltage applied to the VSD, generating a control signal representative of losses in a motor load when a voltage sag is detected in the voltage applied to the VSD and applying less power to the load of the inverter.

Electronic Component Cooling System For An Air-Cooled Chiller

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US Patent:
7003971, Feb 28, 2006
Filed:
Apr 12, 2004
Appl. No.:
10/822460
Inventors:
Douglas Alan Kester - York PA, US
Harold Robert Schnetzka - York PA, US
Mustafa Kemel Yanik - York PA, US
John F. Judge - Stewartstown PA, US
Mahesh Valiya Naduvath - Lutherville MD, US
Assignee:
York International Corporation - York PA
International Classification:
F25D 23/12
US Classification:
622592, 62333, 165 804, 16510433, 361699
Abstract:
A chiller system includes a refrigerant loop, the refrigerant loop further including a compressor, an air-cooled condenser arrangement and an evaporator arrangement connected in a first closed refrigerant loop. A motor is connected to the compressor to drive the compressor, a drive is connected to the motor to power the motor and a power/control panel controls the refrigerant loop. The power/control panel and the condenser arrangement are connected in a second closed coolant loop. The second closed coolant loop provides cooling to the enclosure and/or components within the enclosure disposed on a chill plate. Condensation is substantially prevented from forming inside the enclosure, despite the enclosure lacking a humidity control device.

System For Precharging A Dc Link In A Variable Speed Drive

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US Patent:
7005829, Feb 28, 2006
Filed:
Mar 1, 2005
Appl. No.:
11/068999
Inventors:
Harold Robert Schnetzka - York PA, US
Assignee:
York International Corp. - York PA
International Classification:
H02P 7/42
US Classification:
318801, 363 76, 363 77, 363 84
Abstract:
A variable speed drive with a converter that is controllable to precharge a DC link is provided. The variable speed drive also includes an inverter. The converter converts a fixed line frequency, fixed line voltage AC power from an AC power source into DC power. The DC link filters the DC power from the converter. Finally, the inverter is connected in parallel with the DC link and converts the DC power from the DC link into a variable frequency, variable voltage AC power. The converter includes a plurality of pairs of power switches, wherein each pair of power switches includes a reverse blocking power switch connected in anti-parallel to another reverse blocking power switch.

System And Method For Increasing Output Horsepower And Efficiency In A Motor

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US Patent:
7075268, Jul 11, 2006
Filed:
Feb 27, 2004
Appl. No.:
10/789632
Inventors:
Frank Eugene Wills - York PA, US
Harold Robert Schnetzka - York PA, US
Assignee:
York International Corporation - York PA
International Classification:
H02P 3/18
H02P 23/00
H02P 27/00
US Classification:
318812, 318800, 318803, 318807, 363 36, 363 37, 363 40, 363 45, 363 56, 622281, 62230, 62510
Abstract:
A system and method are provided to increase the horsepower of an induction motor. One technique for increasing the horsepower of a motor is to connect the motor to a variable speed drive that is providing an output voltage and frequency greater than the standard line voltage and frequency. The connection of the variable speed drive to the induction motor enables the motor to be operated in constant flux or constant volts/Hz mode and provide a greater output horsepower. Another technique for increasing the horsepower of a motor is to use a dual voltage motor configured for lower voltage operation and then provide the motor with the corresponding voltage and frequency for higher voltage operation. The higher voltage and higher frequency can be provided by a variable speed drive with or without voltage boost. A variable speed drive without voltage boost, but with frequency boost, can be used in situations where the standard main voltage is greater than the lower voltage rating.
Harold R Schnetzka from Simpsonville, SC, age ~67 Get Report