The AP-20 System: Accurate Phase Identification. . . .Anywhere.
Avistar's AP-20 phase measurement system is a fast, easy to use tool for identifying phase and phase angle anywhere on your power system. Featuring complete one-person operation, immediate phase identification , and powerful features for remote work and GIS system-map integration, the AP-20 is by far the most capable tool in its class.- underground cable replacements
- map updates
- connection of new substations
- SCADA installations
- system expansion, optimization and load balancing
- switching procedures, particularly underground distribution
- verification of secondary PT connection phasing
- EMF modeling
- conversion from overhead to underground

Carte International Inc.
manufactures liquid filled transformers for Electrical Utilities, Electrical Distributors, and large Industrial customers. Carte specializes in non-standard and custom transformers tailored to your exact needs. Carte is ISO 9001 registered and transformers are high quality with excellent workmanship.

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