INSTRUCT IONS GEH-1 793J INSTANTANEOUS AUXILIARY RELAY TYPES HGA11A, C, H, J, K, P, S, T, V, W, X GENERAL ELECTRIC AUILIARV P A GENERALS ELECTRIC

Transcription

1 GENERALS ELECTRIC AUILIARV P A GENERAL ELECTRIC HGA11A, C, H, J, K, P, S, T, V, W, X TYPES INSTANTANEOUS AUXILIARY RELAY 0 INSTRUCT IONS GEH-1 793J

2 2 RENEWAL PARTS 8 CONTACT CLEANING 8 PERIODIC CHECKS AND ROUTINE MAINTENANCE 7 RECEIVING, HANDLING AND STORAGE 7 PICKUP TEST 6 MECHANICAL ADJUSTMENTS 6 CHARACTERISTICS 6 TABLE 4 5 AC COILS 5 DC COILS 5 RATINGS 4 TABLE 1 3 TABLE 2 4 BURDENS 5 TABLE 3 5 DESCRIPTION 3 PAGE CONTENTS ACCEPTANCE TESTS 6 GEH-1793 CONSTRUCTION 7

3 HGA11A, G, H, J, K, P, S, T, V. W, X TYPES INSTANTANEOUS AUXILIARY RELAY 3 continued... CONTACTS - FIGURE 5. HGA11P FRONT CONNECTED WITH COVER, PALLADIUM SIMILAR TO HGA11A FIGURE 6 PROVISIONS FOR FRONT MOUNTING - HGA11K FRONT CONNECTED WITHOUT COVER, BUT WITH SIMILAR TO HGA11A FIGURE 5. HGA11J FRONT CONNECTED WITH COVER - SIMILAR TO HGA11A FIGURE 7 IS AVAILABLE WITHOUT COVER ONLY - HGA11H FRONT CONNECTED, SURFACE MOUNTED, AND SIMILAR TO HGA11A MOUNTING FIGURE 8 HQA11G FRONT CONNECTED WITH COVER FOR FRONT SIMILAR TO HGA11A NAVY - FIGURE 3 HGA11A(-)N SIMILAR TO HGA11A AND INSPECTED BY SIMILAR TO HGA11A FRONT COVER FIGURE 3 HGA11A(-)G SIMILAR TO HGA11A, EXCEPT WITH GLASS SIMILAR TO HGA11A MOUNTING - FIGURE 4 FRONT COVER AND PROVISION FOR SEMI-FLUSH HGA11A(-)F SIMILAR TO HGA11A, EXCEPT WITH GLASS SIMILAR TO HOA11A HGA11A BACK CONNECTED WITH COVER, SURFACE- OPOT CONTACT ARRANGEMENT - MOUNTED RELAY - FIGURE 3 FIGURE 2 RELAY CASE AND MOUNTING CONTACT ARRANGEMENT TABLE 1 relay, see Table 1. These relays are double pole, hinged armature relays, suitable for applications where a high speed, low energy device is required. For details of the HGA11 type DESCRIPTION GEH-1793

4 RELAY CASE AND MOUNTING CONTACT ARRANGEMENT FOR FRONT MOUNTING - CONTACT CONTACT 4 COVER - FIGURE 9 HGA11S FRONT CONNECTED WITH COVER, PROViSIONS SIMILAR TO HGA11A TABLE 1 (contd) FIGURE 8 GEH-1793 The HGA11 relays are available for coil ratings for standard voltages up to 575 RATINGS The current closing rating of the contacts is 30 amperes. The current carrying NON-INDUCTIVE CIRCUITS INDUCTIVE CIRCUITS TABLE 2 ratings (non-inductive circuits) for the various voltages are listed in the Table 2. rating is 12 amperes continuously or 30 amperes for one minute. The interrupting available with coil current ratings up to five amperes. volts for 25, 50 or 60 cycles, and up to 250 volts DC. The DC relays are also CONTACTS - FIGURE 6 COVER CLIPS ? AC DC BREAK BREAK AC DC BREAK BREAK SINGLE DOUBLE SINGLE DOUBLE CIRCUIT VOLTS TYPE HGA CIRCUIT VOLTS TYPE HGA HGA11X SIMILAR TO HGA11K, BUT WITH PALLADIUM SIMILAR TO HGA11A HGA11W FRONT CONNECTED WITHOUT COVER, BUT WITH SIMILAR TO HGA11A FIGURE 7 FLUSH MOUNTING - FIGURE 4 FRONT COVER AND PROVISION FOR SEMI- FIGURE 2 HGA11V( )F SIMILAR TO HGA11V EXCEPT WITH GLASS SIMILAR TO HGA11A FIGURE 3 MOUNTED RELAY, PALLADIUM CONTACTS - HGA11V BACK CONNECTED WITH COVER, SURFACE SIMILAR TO HGA11A HGA11T FRONT CONNECTED WITH SHOCK RESISTANT SIMILAR TO HGA11A

5 Burden data For DC coils is shown in Table 3. DC COILS BURDENS 5 Continued VOLTS HERTZ +10% ±10% ±10% +10% -1-10% +10% 10% ( 011. RATING RDC RDO XDO ZDO RPU XPU ZPU AC COIL BURDENS TABLE 4 X1 is the inductive impedance when the coil is energized, but the relay is not picked up. designated as RPU and XPU. Z, is the impedance of the relay in picked-up condition. Zfl() is the impedance of the relay in dropout condition. The resistive and inductive parts of impedance of coils under picked-up conditions are R() is the AC resistance of a coil when AC power is flowing through the coil, but the R,, is resistance ofa coil as measured with an ohmmeter, bridge, etc. Certain quantities should he defined before giving burden data for AC coils: relay is not picked up. AC COILS VOLTS +10% WATTS AMPS +10% WATTS VOLTAGE-RATED RELAYS AMP-RATED RELAYS RESISTANCE RESISTANCE flc COIL BURDENS TABLE 3 GEH-1 793

6 This is determined by operating the armature by hand and checking that there is at volts or DC amps or 60 percent of rated DC volts ? that gives the highest value of pickup without exceeding 80 percent of its rated AC The spring should be in the front hole of the anchor pin and the armature groove control spring that is fastened between the anchor pin and the armature tailpiece. operates and seals firmly against the pole piece. It is adjusted by means of the Pickup is defined as the minimum voltage or current at which the armature PICKUP TEST special cover with cutouts in the sides is available to check this clearance. the bottom inside surface of the cover for all back connected relays with cover. A There should be at least 1/16 inch wipe on normally closed b contacts and There should be at least 1/32 inch clearance between the armature tailpiece and never be more than 1/32 inch. This also applies to the b contacts. inch of each other, i.e., with one contact just making, the gap of the other should When the armature is operated by hand, a contacts should make within 1/32 have made. be used to make or break auxiliary circuits. The Type HGA11 is a hinged armature type, high speed auxiliary relay. When the least 1/16 inch movement of the top edge of the contact carrier after the contacts CHARACTER I STI Cs ? coil is energized, a magnetic flux flows through the armature pole piece and VOLTS HERTZ +10% +10% +10% +10% +10% +10% +10% MECHANICAL ADJUSTMENTS normally open a contacts, as measured at the top of the moving contact carrier. COIL RATING RDC RDO XDO ZDO RpU XPU ZPU AC COIL BURDENS attracts the armature. Two auxiliary contacts are mechanically coupled to the TABLE 4 (Cont d) armature. These auxiliary contacts can be normally open or normally closed, and can GEH-1793 ACCEPTANCE TESTS

7 * percent of rating when cold. GEH 1193 * *Jndicates Revision 7 checks will vary depending upon environment, type of relay and the user s experience under ACCEPTANCE TESTS should be checked at an interval of from one to two years. important that a periodic test program be followed. The interval between periodic the test interval best suited to his individual requirements, the points listed with periodic testing. Until the user has accumulated enough experience to select In view of the vital role of relays in the operation of a power system, it is PERIODIC CHECKS AND ROUTINE MAINTENANCE removed, and cause trouble when operating the relay. matter that collects on the outside of the case could get inside when the cover is cartons in a place that is free from moisture, dust and metallic chips. Foreign If the relays are not to be installed immediately, store them in their original of the parts are damaged nor the adjustments disturbed. Reasonable care should be exercised in unpacking the relay in order that none promptly notify the nearest General Electric Apparatus Sales Office. handling is evident, file a damage claim at once with the transportation company and relay, examine it for damage sustained in transit. If damage resulting from rough cartons designed to protect them against damage. Immediately upon receipt of a RECEIVING, HANDLING AND STORAGE These relays, when not included as part of a control panel will be shipped in voltage. The function of the voltage barrier is to avoid flashover between a pair against the cover to hold the cover in position. in Figure 10. The control spring is used for adjusting the pickup and dropout between a pair of normally open contacts. Cover spring clips maintain spring force of electrically separate, but mechanically coupled normally closed contacts, or The HGA11 is a molded case relay. The various parts of the relay can be seen CONSTRUCT ION a contacts and 10 grams + 10 percent on b contacts. The wipe on HGA11 relays exerts a contact pressure of 35 grams ± 10 percent on percent. For DC relays, the pickup and dropout voltages increase by 5 to 10 percent. hours) at rated voltage, the pickup and dropout voltages increase by 3.5 to 7.5 After AC relays have been continuously energized for a few hours (minimum four rating at rated frequency. The DC voltage relays are adjusted to pick up at The AC voltage or DC current relays are adjusted to pick up at percent of

8 Electric Company, specify quantity required, name of the part wanted, and the 8 complete model number of the relay for which the part is required. When ordering renewal parts, address the nearest Sales Office of the General RENEWAL PARTS Sufficient quantities of renewal parts should be carried in stock to promptly any kind should not be used to clean relay contacts. cleaning the actual points of contact. Knives, files, abrasive paper or cloth of it will clean off any corrosion thoroughly and rapidly. Its flexibility ensures superfine file. The polishing action is so delicate that no scratches are left, yet replace any that are worn, broken, or damaged. a flexible strip of metal with an etched roughened surface, resembling in effect a A flexible burnishing tool should be used for cleaning relay contacts. This is CONTACT CLEANING GEH-1793

9 GEH-1793 i5(b. (2 HOLFS) 1O 32 THREAD 9 DOTTED LINES FOR HGA11K ONLY OUTLINE TOP OF RELAY PANEL DRILLING (FRONT VIEv) INTERNAL CCNNECTIONS (FNT VIEW) Figure 1 Figures 1 and? (0104A8573 O) HGA11A, G, H, J, K, Figure 2 Internal Connections Diagram for Types P, S, T, V, W, and X Relays 9

10 p / (2 FDLES 4 3 ii GEH 1793 kjndicates Revision 10 Types HGA11A(-)G, HGA1IA(-)N and HGA11V Relays * Figure 3 (K ) Outline and Panel Drilling Dimensions for the PANEL DRILLING (FRONT VIEW) STEEL 9/16k 1-3/8 j INSULA1I3 7/16 2 i3/16 [TYPE CW PANEL CONTACT 4. OF RATING HGCIIA DOES NOT USED RAISED TO 6O/ (Dç)OR 8Oo (Aq) 45 NOT USED UNLESS PICKUP IS WITH HGAI4A.14J,14K,14N,17A CONTACT BACK VIEW) INTERNAL CONNECTIONS 7 8.t it,--6 DRILL (8 HOLES) >f--)_! *- )--i() ccd RE LAY TOP OF7t 4 1 rj OUTLINE RBVE COVER SPACE REQUIRED TO

11 I I i o LhI rjmt mo s PmEL 1. 1ndicates Revision 11 Type HGA11A( )F Relay * Figure 4 (0104A8557-2) Outline and Panel Drilling Dimensions for the FRCT VIEW (AC) OF RATING. IS RA ISED TO 60$ (DC) OR 80$ PANEL DRILLiNG IS OT USED UWLESS PICK-UP WITh A14A, 17A CONTACT 4 BACK VIEW IR1tAL COWWS. JL 611 p (2-4OLES) 1 2 rap o RELAY OUTLIW( 4I - L 4f I I GEH-1793

12 for Types HGA11J, HGA11P Relays 0.2 OVER INJLATON Figure 5 (K ) Outline and Panel Drilling Dimensions (N OUTL NE 1 (FRONT VIEW) (BACK yew) PANEL DRILLING INTERNAL CONNECTIONS 7 8 TQPQ.LRELAL 1 2 SPED IF,, ED CO V ER ThICKNESS IS SPACE REQUIRED TO RBIOYE UNLESS PANEL *10 32 ThREAD NOTE: WIRE SIZE WES NOT EXCEED GEH (2HOLES) I.. 4

13 .1695 (lid) 1 (2 HOLES) 1 1T6 13 for Types HGA11K, HGA11X Relays Figure 6 (K ) Outline and Panel Drilling Dimensions (FRONT VIEW) INTERNAL CONNECTIONS i23 i3_ OUTLINE j 9 GEH-1793

14 for Types HGA11H, HGA11W Relays Figure 7 (K ) Outline and Panel Drilling Dimensions (FRONT view) (FRONT ViEW) INTERNAL CONNECTIONS PANEL DPILLNG 8 8 OUTL I NE 14 (2 HDLES) DRILL 2 1 TOF OR RELAY 2 THREAD GEH 1793

15 GE[I DIA ThD. (2 HOLES) r 2t 0 ft 2 00 I I 4 I 3-- _i SPACE REQUIRED ID REMVE COVER L T INTERNAL CONNECTIONS (FRONT VIEW) Figure 8 (0165A7757 2) Outline and Panel Drilling Dimensions for Types HGA11G, HGA11S Relays 15

16 16 for the Type HGA11T(-)A Relay G- SPACE REQUIRED TO RE10VE COVER 0.2 OVER INSULATION N(YI TE: WIRE SIZE DOES N EXCEED Figure 9 (0127A9568 O) Outline and Panel Drilling Dimensions (PE0N r VIEW) PANEL DRILLING (BACK vrw) IN INAL CONNECTIONS (2 HOLES) DRIll it TOP OF RELAY OUTLINE S 2 / 4j!(9 2i GEB-1793 NI 4. -1* SPECIFIED THICKNESS IS UNLESS PANEL _.to 8 k

17 BACK-CONNECTED RELAYS CONNECTION STUDS FOR 17 Figure 10 ( ) Typical HGA Relay Removed from Case CONTROL SPRING 1 ARMA lure - HINGED j CLIP I COVER SPRING _ GEFI 1793 FLEXIBLE LEAD CONTACTS FOR MOVING SPRING LEAVES

18 GE Power Management 215 Anderson Avenue Markham, Ontario Canada L6E 1B3 Tel: (905) Fax: (905)