Siemens JFR Distribution Step Voltage Regulator 21-115532- - Manuals

INTRODUCTION P a g e 3 PHYSICAL CONSIDERATIONS • Handling. Type JFR regulators are designed to be lifted either by a forklift at the base or by use of lifting hooks on the side of each tank. Each JFR regulator is provided with either 2 or 4 lifting hooks on the side of each tank. The number of hooks...

INTRODUCTION I N S T A L L A T I O N D I A G R A M S Connection of two single phase JFR regulators in opendelta on a three phase, ungrounded line. Connection of one single phase JFR regulator on single phase line. Connection of three JFR regulators in closeddelta on three phase, ungrounded system. C...

INTRODUCTION P a g e 5 P R O T E C T I V E M E A S U R E S Bypass Arrester. All JFR regulators are equipped with a properly sized arrester, connected externally between the 'S' and 'L' line terminals. The arrester is provided to protect the series winding of the regulator from line surges. By itself...

CONNECTION DIAGRAMS STRAIGHT DESIGN (ANSI TYPE A) S L SL SOURCE LOAD Typical arrangement of windings and connections of Type “A” JFR regulators. Note: Straight design units may or may not be equiped with a balance winding. Refer to regulator nameplate. Schematic diagram of a typical Type “A” JFR reg...

Wiring diagram of a typical regulator with series transformer showing both internal and external connections. S L SL CONNECTION DIAGRAMS Page 8 S L SL LOAD SOURCE Schematic diagram of a typical regulator with series transformer with fan power U3-U5. *Note: Exciting Winding may not be fully tapped. R...

P L A C I N G T H E R E G U L A T O R I N S E R V I C E Page 9 The following checks will be useful in assuring the regulator is ready for use. The list cannot be all inclusive; careful at-tention on the part of a qualified operator remains imperative. BEFORE CONNECTING • Check oil level at oil sight...

REMOVING THE REGULATOR FROM SERVICE Page 10 SWITCHING “OFF LINE” • Improper by-pass operation will result in explosion and fire hazard. Will cause serious injury, death or equipment damage. • Do NOT remove from service unless tap-changer is in neutral position AND control panel is properly disabled....

M A I N T E N A N C E P a g e 1 1 G E N E R A L I N S T R U C T I O N S This manual does not represent an exhaustive survey of maintenance steps necessary to ensure safe operation of the regulator. Particular applications may require further pro-cedures. Should further information be desired or shou...

M A I N T E N A N C E P a g e 1 2 PERIODIC INSPECTION A sample of oil from the regulator should be subjected to dielectric breakdown test, per ASTM D-877. If found below 25kV, the oil should be changed or reconditioned. Refer to ANSI C57.106-2002. Other tests, especially Neutralization Number, Inter...

S P E C I A L F E A T U R E S P a g e 1 3 POLARIZED DISCONNECT SWITCH VARI-AMP TM POSITION INDICATOR (JACK PLUG) AND HINGED CONTROL PANEL The Accu/Stat TM control panel is hinged and may be re- moved completely from the regulator control box by removing the wing nuts on the polarized jack plug and p...

S P E C I A L F E A T U R E S P a g e 1 5 F O R C E D A I R C O O L I N G Certain regulators may be equipped for forced-air cooling and include fans mounted on the radiators. The fans are usually automatically controlled by means of the change in oil temperature (see Connection Diagram). The thermom...

PARTS LIST P a g e 1 6 MAJOR COMPONENTS PARTS LIST Instructions For Ordering Part When ordering parts give the quantity of parts required, theregulator serial number, parts list item number, completedescription, and method of shipping. State whether for emergency repair, maintenance, spare part, etc...

PARTS LIST T Y P E T L G D I A L S W I T C H I t e m 0 1 - 1 1 D e s c r i p t i o n 5 3 2 0 P a n e l 5 3 1 7 A R e v e r s i n g M a i n S h a f t 5 3 2 1 M a i n S t a t i o n a r y C o n t a c t s 5 3 2 2 R e v e r s i n g S t a t i o n a r y C o n t a c t R 5 3 2 3 R e v e r s i n g S t a t i o...

PARTS LIST P a g e 1 8 T Y P E T L G Q U I C K B R E A K M E C H A N I S M I t e m 0 1 - 1 1 D e s c r i p t i o n 5 2 0 1 G M o u n t i n g F r a m e A s s e m b l y 5 2 0 2 M o t o r 5 2 0 7 D r i v e S p r i n g A s s e m b l y 5 2 1 2 L a t c h A s s e m b l y 5 2 1 3 L a t c h S p r i n g ( n o...

PARTS LIST TYPE TLF DIAL SWITCH F I G U R E 2 0 A I t e m 0 1 - 1 1 D e s c r i p t i o n 5 3 5 1 P a n e l 5 3 5 2 S t a t i o n a r y C o n t a c t 5 3 5 3 N e u t r a l S t a t i o n a r y C o n t a c t 5 3 5 4 S t a t i o n a r y C o n t a c t - L H 5 3 5 5 S t a t i o n a r y C o n t a c t - R ...

PARTS LIST P a g e 2 0 TYPE TLF QUICK BREAK MECHANISM F i g u r e 2 1 A Item 01-11 D e s c r i p t i o n 5 2 6 6 I n t e r l o c k D i s c a n d D r i v e S p r o c k e t A s s e m b l y 5 2 6 7 Q u i c k B r e a k M e c h a n i s m S h a f t 5 2 7 5 A c t u a t i n g A r m A s s e m b l y 5 2 7 6 S...

PARTS LIST P a g e 2 1 BYPASS ARRESTERS I t e m 0 1 - 1 1 D e s c r i p t i o n V o l t s 5 4 2 3 B y p a s s A r r e s t e r A s s e m b l y 3 k V M O V 2 , 5 0 0 , 5 , 0 0 0 , 7 , 6 2 0 5 4 2 5 M o u n t i n g B r a c k e t A s s e m b l y 5 4 2 3 B y p a s s A r r e s t e r A s s e m b l y , 3 k ...

PARTS LIST P a g e 2 2 Figure 23A B U S H I N G S I t e m 0 1 - 1 1 D e s c r i p t i o n k V A V o l t s 5 4 0 0 P B u s h i n g A s s e m b l y f o r 1 5 k V 5 0 5 0 0 0 3 8 . 1 t h r u 7 6 . 2 7 6 2 0 6 9 t h r u 1 3 8 1 3 , 8 0 0 5 4 0 0 R B u s h i n g A s s e m b l y f o r 1 5 k V 5 0 2 5 0 0 ...

PARTS LIST P a g e 2 3 BUSHINGS z Item 01-11 Description kVA Volts 5400T Bushing Assembly 15 kV 100 thru 167 2500 167 500 250 thru 509 7620 5400U Bushing Assembly, 15 kV 207-276 13,800 5400V Bushing Assembly, 23 kV 72 thru 144 14,400 100 thru 200 19,920 5400W Bushing Assembly 15 kV 333 thru 416.3 25...