The Bulk Power Grid Seeks Intelligent Operation
Much of the developed world's transmission grid is approaching the end of its design life and is subject to headline-grabbing failures. ...
Firm Foundations Replace Crumbling Concrete
D602F is the 500-KV AC transmission line that connects Manitoba hydro to its export customers. This transmission line originates just north of Winnipeg...
Line Construction Headaches
It is interesting to hear what pole-line construction foremen have to say about the challenges of their job. Considering their responsibilities and work...
ITC, AEP Study Transmission Grid in Michigan
ITCTransmission, a subsidiary of ITC Holdings, has signed a memorandum of understanding with American Electric Power (AEP) to jointly commence a study...
High Capacity, Low Sag
The 3M aluminum conductor composite reinforced (ACCR) conductor is a new high-temperature, low-sag conductor designed to significantly increase the thermal...
China Mitigates Lightning Damage
The Chinese power system has tens of thousands of kilometers of optical-fiber composite overhead ground wire (OPGW) that have been in commission since...
Helicopter Line Maintainers Step It Up for Safety
Hydro One (and its predecessor Ontario Hydro) has maintained a fleet of helicopters since June 1949, making it one of the oldest commercial helicopter...
A Line Pole Straightens Up
Sometimes a good pole line can go bad, not because of decay or aging but because the soil around the pole just won't hold it up straight. Sandy soil,...
Rodeo Strengthens Linemen's Bond
Josh Lira, an apprentice lineman with the International Brotherhood of Electrical Workers (IBEW) Local Union 304 (Sedalia, Missouri, U.S.), didn't attend...
India Optimizes Capacity with HVDC
The Siemens Power Transmission and Distribution Group (PTD; Erlangen, Germany) has been awarded an order by the Powergrid Corporation of India (PGCIL;...
The Multifaceted Job of a Rodeo Lineman
Not being a huge utility with virtually unlimited resources, Blue Grass Energy Cooperative requires its linemen to wear many hats. Blue Grass, a Touchstone...
CL&P Energizes 345-kV Line
Connecticut Light and Power Co. (CL&P), part of the Northeast Utilities System, has energized the new Bethel-to-Norwalk 345-kV transmission line. The...
Steel Pole Basic Training
Throughout my 40-year career as a lineman in the transmission and distribution industry, I have seen many new innovations. With these innovations come...
Construction Begins on LIPA Project
The Long Island Power Authority's (LIPA; Long Island, New York, U.S.) construction phase of the world's largest and highest voltage superconductor electric...
HECO's Mile-Long Cable Pull
In the early morning of Dec. 7, 1941, the clear, quiet blue Hawaiian sky was pierced by the thunderous roar of hundreds of Japanese warplanes crossing...
Six-Wire Solution
Imagine a world where a new product is introduced that works so flawlessly it can be used seamlessly...
Climbing School Is the Best Fall Protection
As any lineman will tell you, climbing a pole is a unique skill. It's hard to explain the way it feels the first time you try to climb using hooks (gaffs)....
Invest in Infrastructure
The core business of Electrica Sa consists of electricity distribution and supply based on licenses granted by Romania's National Energy Regulatory Authority...
Linemen Take to the Air
Entergy New Orleans (Louisiana, U.S.) has retained InfraSource Inc. (Media, Pennsylvania, U.S.) to take down the double-circuit 1431 kcmil conductor spanning...
Egypt Plans Aggressive Power Expansion
The Egyptian Ministry of Electricity and Energy has announced an ambitious five-year (2007 to 2012) power-expansion plan. The US$6.5 billion plan includes...
Santee Cooper Monitors Change-Out Rates and Tracks Reliability
The Santee Cooper (Moncks, South Carolina, U.S.) system is made up of approximately 4500 miles (7242 km) of transmission lines and 2500 miles (4023 km)...
United States and Mexico Cross-Border Connection
A new asynchronous transmission link will interconnect the U.S. and Mexico grids. The link will be between American Electric Power (AEP) and Mexico's...
Corrosion Unearthed
When an anchor rod fails due to corrosion, in addition to compromising the strength of the tower, it is also possible that the guy wire might touch the...
Utilities Investigate Conductor Motion
One of the more menacing challenges transmission operators face today is identifying and preventing wind-induced conductor motion damage. Transmission...
The Future is Phasors
Only an electrical engineer is likely to see the future of system reliability in a bunch of imaginary numbers. If everything were simple, there would...
Previous | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | Next
