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Electric Power Quality Analysis in Bitcoin Mining Facilities in Texas
Abstract
This thesis presents an in depth study of electric energy consumption and power quality analysis in Bitcoin mining facilities in Texas. The study includes energy consumption, voltage, current, power, and current harmonics analysis from measured data on both grid connected and standalone facilities (powered by flared gas). Additionally, these results are also compared to the data gathered on an identical laboratory mining machine. Computing collected data, energy consumption, power quality, and facility power usage effectiveness (PUE). Since large MW range Bitcoin mining loads are termed as “flexible loads” by the grid operators, the thesis discusses examples of their potential role in participating in ancillary services such as demand response, frequency regulation, reactive power compensation and voltage regulation to help stabilize the grid. As well as establishing the device’s voltage ride through capabilities to understand how the device/ facility will react to changes in the grid this is important to know and understand from both the utility and facility’s perspective. Analysis is also included on how large Bitcoin mining facilities can participate in grid support programs that will both benefit the grid and at the same time earn revenue.
This thesis utilizes data collected from Bitmain S19 Pro in a laboratory setting, as well as data collected from different on-grid and off-grid Bitcoin mining facilities. We discuss and analyze the data to present the following;
1. Detailed analysis of energy consumption of different Bitcoin mining facilities and compare it with data collected in a laboratory setting.
2. The role Bitcoin mining facilities can play in grid support, by participating in the available ancillary services such as demand response programs, and frequency regulation.
3. Recommendations are made for design modification such as implementation of direct DC power supply. These proposed changes aim to optimize facility’s performance and align operation with environmental objectives.
Subject
Bitcoinmining
cryptocurrency
demand response
ancillary services
VRT
PFC
THD
voltage ride-through
Power Quality (PQ)
PUE
Frequency regulation
Reactive power
voltage regulation
Citation
Almubarak, Sama Abdulsattar A (2023). Electric Power Quality Analysis in Bitcoin Mining Facilities in Texas. Master's thesis, Texas A&M University. Available electronically from https : / /hdl .handle .net /1969 .1 /199988.