Published by Electrotek Concepts, Inc., PQSoft Case Study: Voltage Sags and Their Impact on Industrial Customers, Document ID: PQS0509, Date: September 30, 2005. Abstract: This case study describes the impact of voltage sags on a utility and one industrial customer. Several utility measures are presented to minimize the customer’s exposure to voltage sags. However, these measuresContinue reading “Voltage Sags and Their Impact on Industrial Customers”
Tag Archives: Voltage Sags/Surges
Voltage Sag Study for a Distribution System Customer
Published by Electrotek Concepts, Inc., PQSoft Case Study: Voltage Sag Study for a Distribution System Customer, Document ID: PQS0308, Date: February 4, 2003. Abstract: Voltage variations, such as voltage sags and momentary interruptions are two of the most important power quality concerns for customers. Customers understand that interruptions cannot be completely prevented on the power system.Continue reading “Voltage Sag Study for a Distribution System Customer”
Voltage Sag Protection Using a Micro-SMES Device
Published by Electrotek Concepts, Inc., PQSoft Case Study: Voltage Sag Protection Using a Micro-SMES Device, Document ID: PQS0508, Date: September 30, 2005. Abstract: This case study describes the use of a micro superconducting magnetic energy storage (micro-SMES) device to improve power quality at a large semiconductor manufacturing facility by providing short term back-up power during utilityContinue reading “Voltage Sag Protection Using a Micro-SMES Device”
Municipal Elevator Study – Improving Elevator Performance
Published by Electrotek Concepts, Inc., PQSoft Case Study: Municipal Elevator Study – Improving Elevator Performance, Document ID: PQS0507, Date: September 30, 2005. Abstract: In the past, system-wide voltage reductions and other voltage anomalies have caused unreliable elevator operation for some Municipal Utility customers. Municipal Utility’s Customer Service Department received many complaints from customers with elevators despiteContinue reading “Municipal Elevator Study – Improving Elevator Performance”
MG Set Provides Voltage Sag Support Voltage Sag Ride-Through
Published by Electrotek Concepts, Inc., PQSoft Case Study: MG Set Provides Voltage Sag Support Voltage Sag Ride-Through, Document ID: PQS0412, Date: December 31, 2004. Abstract: Today’s high-tech computer and multi-media equipment require “clean” electric power protected against normal split-second voltage variations. A technology that has recently received much attention for providing this ride-through is the written-poleContinue reading “MG Set Provides Voltage Sag Support Voltage Sag Ride-Through”
Improving Equipment Ride Through Voltage Sag Evaluation
Published by Electrotek Concepts, Inc., PQSoft Case Study: Improving Equipment Ride Through Voltage Sag Evaluation, Document ID: PQS0405, Date: June 30, 2004. Abstract: Voltage variations, such as voltage sags and momentary interruptions are two of the most important power quality concerns for customers. Customers understand that interruptions cannot be completely prevented on the power system. However,Continue reading “Improving Equipment Ride Through Voltage Sag Evaluation”
General Reference – Modeling for Voltage Variation Analysis
Published by Electrotek Concepts, Inc., PQSoft Case Study: General Reference – Modeling for Voltage Variation Analysis, Document ID: PQS0307, Date: February 4, 2003. Abstract: Voltage variations, such as voltage sags and momentary interruptions are two of the most important power quality concerns for customers. Voltage variations and interruptions are inevitable on the power system. The mostContinue reading “General Reference – Modeling for Voltage Variation Analysis”
Distribution Substation Voltage Variation Measurement Data Evaluation
Published by Electrotek Concepts, Inc., PQSoft Case Study: Distribution Substation Voltage Variation Measurement Data Evaluation, Document ID: PQS1007, Date: October 15, 2009. Abstract: This case study presents a voltage variation data analysis for a 12.47 kV substation monitoring location for a three-month period. The analysis included trends of the rms voltage and unbalance and statistical analysisContinue reading “Distribution Substation Voltage Variation Measurement Data Evaluation”
Distribution Feeder Voltage Sag Evaluation
Published by Electrotek Concepts, Inc., PQSoft Case Study: Distribution Feeder Voltage Sag Evaluation, Document ID: PQS0905, Date: October 15, 2009. Abstract: This case study shows the results for simulations completed to evaluate the impact of a distribution feeder fault on the operation of a customer adjustable-speed drive during the resulting voltage sag and momentary interruption. TheContinue reading “Distribution Feeder Voltage Sag Evaluation”
Customer Induction Motor Starting Evaluation
Published by Electrotek Concepts, Inc., PQSoft Case Study: Customer Induction Motor Starting Evaluation, Document ID: PQS0904, Date: October 15, 2009. Abstract: This case study shows the results for simulations completed to determine the severity of an undervoltage condition during starting of a customer induction motor starting. The simulations for the case were completed using the PSCADContinue reading “Customer Induction Motor Starting Evaluation”
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