Nanning Undertakes Network Redesign and Upgrade
The city of Nanning, located in China's Guangxi Province, has an aging medium-voltage (MV) distribution network that is no longer able to meet the increasing...
KEMA Uses Partial Discharge to Locate Weak-Performing Circuits
KEMA (Netherlands) developed a method for using partial discharge (PD) to locate weak-performing cable circuits. Utilities in Asia, Europe, North America...
KCP&L Expands Esubstation.com
Kansas City Power & Light Co. (KCP&L, Kansas City, Missouri, U.S.) is expanding the Internet-based substation monitoring system, Esubstation.com. Cannon...
Indonesia: ABB to Build 309-km Power Link on Java
An ABB-led consortium led has signed a Euro 71 million (US$65 million) contract with the Indonesian state electricity supplier PT- PLN (Persero) to build...
ANSI Approves Standards
The American National Standards Institute (ANSI) has approved two InterNational Electrical Testing Association (NETA) maintenance testing documents: Standard...
Timing is Everything
The role of the high-voltage (HV) circuit breaker has always been one of the most determining factors of HV network reliability. Its main role is to protect...
Austria: VA TECH T&D Wins Orders for Vienna Substation
Wienstrom utility has awarded six contracts worth approximately Euro 16 million (US$14.4 million) for Vienna North Substation to subsidiaries of VA TECH...
Parralleling Load Tapchangers
A long-neglected but simple means to control the load tapchangers (LTC) of transformers connected in parallel is coming into vogue again. The increased...
FPL Benefits from Control Circuit Status Monitors
Addressing the need to ensure that substation equipment is in a fully operational state, electric utilities employ various techniques to monitor the status...
Casino Town Doesn't Gamble On its Power Supply
Back in the 17th century, little did Sachem Uncas, chief of the Mohegan tribe, realize that his tribe would grow into a smashing financial success after...
Developments in Substation Integration and Automation
By early 2002, it remains clear that utility investments related to substation automation and integration programs remain underfunded on a global scale,...
Ireland: Ireland Plans Offshore Power-Generating Wind Farm
Ireland approved a 640 million Euro (US$571 million) plan to build the world's largest offshore wind farm capable of generating 520 MW of electricity....
United States: ABB Begins Phase Two of PG&E Capacitor Project
ABB received a change order for the ongoing PG&E series capacitor replacement project in which four additional 500-kV series capacitor banks will be added...
United States: Black & Veatch Increases Load Capacity and Reliability of PG&E's California Switchyards
Black & Veatch (Kansas City, Missouri), through its construction subsidiary Overland Contracting Inc., is providing the engineering, procurement and construction...
Wyoming Utility Upgrades Substation with Precast Concrete Fencing
When Lower Valley Energy (Jackson, Wyoming, U.S.) needed a new, aesthetically-pleasing and cost-effective screening wall for an existing substation, without...
University of Santo Tomas Energizes New Substation
The University of Santo Tomas's (UST, Philippines) new fully automated substation provides remote access to protection, power monitoring and control functions...
Re-VAMP Your Bus Bar Protection
Eskom Distribution experienced several incidents on metal-clad switchgear when an internal arc was not contained or vented appropriately. These incidences...
Timing is Everything
Substation batteries play a vital role in overall reliability of a substation by providing dc power for protection, supervision and control of substation...
Listening for Early Signs Of Equipment Failure
Industry competitive pressures have forced utilities to optimize operation and reduce maintenance costs, in other words, do more with fewer resources....
Managing Greenhouse Gas Emissions
The consensus among climate scientists is that the atmosphere's natural insulating property the greenhouse effect is enhanced by a rise in the concentration...
Mega-Monitoring Initiative
Utilties and vendors set out to review and evaluate the practical issues and benefits of online monitoring technology for high-voltage (HV) circuit breakers....
Move Over CTs and PTs
Optical current and voltage sensors are proving an alternative to conventional iron-core instrument transformers. Major advantages include improved accuracy...
A Switch is Born
At some older Florida Power & Light Co. (FPL), Juno Beach, Florida, U.S., substations, removing a transformer from service temporarily requires providing...
Siemens Supplies Medium-Voltage Substations to United Arab Emirates
The Siemens Power Transmission & Distribution Group, Erlangen, Germany, is supplying the Abu Dhabi Water and Electricity Authority (ADWEA) with medium-voltage...
Siemens Supplies Substations to ADWEA
The Siemens Power Transmission & Distribution Group is supplying the Abu Dhabi Water and Electricity Authority (ADWEA) with medium-voltage switchgear...
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