Types NOVA 15, NOVA 27, and NOVA 38;
Three-Phase Microprocessor-Controlled;
Installation and Operation Instructions
Reclosers
Service Information
Safety Information ..................................................... 2
Hazard Statement Definitions ................................. 2
Safety Instructions .................................................. 2
Product Information .................................................. 3
Introduction ............................................................ 3
Acceptance and Initial Inspection ........................... 3
Handling and Storage .............................................. 3
Standards .............................................................. 3
Description of Operation ......................................... 3
Ratings and Specifications ....................................... 4
Check Recloser Ratings Prior to Installation ........... 4
Dimensions ................................................................ 5
NOVA Mechanism Interface Options ....................... 6
Control-Powered Interface ..................................... 6
Auxiliary-Powered Interface ..................................... 7
Installation Procedure ............................................... 8
Moving the Recloser ............................................... 8
Lifting the Recloser ................................................. 8
Remove Recloser from Service .............................. 11
Grounding the NOVA Recloser ............................... 11
Operation ................................................................... 14
Electrical Operation ................................................ 14
OPEN/CLOSE Contact Position Indicator ............... 14
Hotstick Operation (Manual Open, Electrical Close) ..... 14
Internal Voltage Sensing Option .............................. 15
Accessories ............................................................... 19
Auxiliary Switch ....................................................... 19
Terminals ................................................................ 19
Pole-Mounting Hanger ........................................... 20
Arrester-Mounting Brackets ................................... 21
Substation-Mounting Frame ................................... 22
Service Information ................................................... 23
Service Requirements ............................................ 23
Frequency of Inspection ......................................... 23
Testing Operation ................................................... 23
High-Potential Withstand Testing ........................... 24
Module Flashover Service ....................................... 25
Troubleshooting ........................................................ 25
Unit Will Not Close ................................................. 25
Unit Will Not Open Electrically ................................ 25
Contents
S280-42-1
1
March 2011 • Supersedes 2/2011
NOVA 15 for Serial Number 3421 and above
NOVA 27 for Serial Number 3268 and above
NOVA 38 for Serial Number CP571192790 and above
This bulletin is also applicable to product
serial numbers beginning with the prefix CP57.
Figure 1.
NOVA three-phase, microprocessor-controlled recloser, shown with two-hole, flat-pad accessory.
To Next Page
Need help?
General