Scenario 21 - 34.5 kV T10 - Frequency Scan

Harmonic

|Z| (

p.u.

)

Ang

[Z] (

degr

ees)

1.0 6.0 11.0 16.0 21.0

100

80

0

-80

60

40

20

-60

-40

-20

0

0.2

0.4

0.6

0.8

1

1.2

1.4

Impedance Magnitude

Impedance Phase

Electrical Studies Overview

0.4

0.6

0.8

1

1.2

Electrical Studies

888.858.3441 | ulteig.com

TRANSMISSION• Transient and dynamic

stability studies • Power flow and

contingency analysis • Economic conductor analysis • Insulation coordination studies• Fault current studies

ECONOMIC STUDIES• Energy loss evaluation • Economical conductor studies • Reactive compensation

equipment comparison

SUBSTATION AND DISTRIBUTION • Fault current studies• Arc fl ash risk assessments• Underground cable ampacity studies• Voltage drop analysis• NERC compliance analysis• Effectively grounded studies• Pre-construction and post-

construction harmonic analysis• Ground grid step, touch, and ground

potential rise studies• Insulation coordination studies• Voltage fl icker studies• Current-limiting reactor sizing studies• Transformer energization studies• Capacitor bank switching studies• Transient recovery voltage (TRV)

studies• Fuse/breaker coordination studies

GENERATION INTERCONNECTION • Wind/solar project modeling• Transfer limits• Transportation studies• Grounded system studies• Zero-voltage ride-through studies• Small generator interconnection

studies• GIS wind studies• Utility-scale wind/solar project

interconnection support• Reactive power compensation

sizing studies• Development of operating

procedures and guidelines regarding electrical equipment

In the rapidly evolving energy market, our clients rely on Ulteig’s expertise to help them make informed decisions about the many alternatives available.

Thanks to the depth of our experience in energy, Ulteig is well positioned to conduct a wide range of studies in transmission, distribution, generation interconnection, and economic feasibility. We manage all aspects of the studies in house, resulting in better effi ciency and communication and giving you direct and reliable access to our team.

Our studies help our clients weigh the myriad alternatives in the energy market and make informed decisions. And with our vast experience and knowledge of the regulatory environment, we can provide insightful analysis to help guide you in your decision-making, advising you of potential pitfalls and future project considerations.