The be1-27 undervoltage, be1-59 overvoltage and be1-27/59 under/ overvoltage relays' solid-state design provides a reliable response to protect power system equipment from adverse voltage conditions. Advantages • pickup continuously adjustable over a wide range. • instantaneous functions offer immed...
Be1-27, 59, 27/59 application purpose the be1-27 undervoltage, be1-59 overvoltage and the be1-27/59 under/overvoltage relays are solid-state devices which provide reliable protection for generators, motors, and transformers against adverse system voltage conditions. Application electric power system...
Be1-27, 59, 27/59 specifications f igure 1 - functional block d iagram functional description the specifications on these pages define the many features and options that can be combined to exactly satisfy an application requirement. The block diagram, figure 1, illustrates how the various standard f...
Be1-27, 59, 27/59 specifications, continued indicator is illuminated and the corresponding time delay circuit is initiated. If the adverse voltage condition is present at the end of the programmed time delay, the appropriate output relay is energized and, if present, the associated target indicator ...
Specifications, continued short inverse-under 9 0 0 0 0 7 5 2 1 range2 12 11 10 9 8 7 6 5 4 3 2 rangel 48 44 40 36 32 28 24 20 16 12 8 range4 96 88 80 72 64 56 48 40 32 24 16 99 80 60 50 40 30 20 voltage difference from pickup medium inverse-under 10 07 05 03 02 1 range212.5 rangel 50 range4 100 99 ...
Be1-27, 59, 27/59 6 27/59 2 auxiliary contacts 17 19 16 15 tov iov & 18 20 14 14 14 connections 7 - 52 figure 3 - vol tage sensing 27/59 legend: 27/59 52 a 52tc tuv tov iuv iov & '27/59 under/overvoltage relay breaker aux. Contacts breaker trip coil timed undervoltage timed overvoltage instantaneous...
Be1-27, 59, 27/59 o rde ring model number be1-27 undervoltage relay be1-59 overvoltage relay be1-27/59 under/overvoltage relay style number the relay model number is followed by a style number that appears on the front panel, drawout cradle, and inside the case assembly. This style number is an alph...
Be1-27, 59, 27/59 style n u m be r i dentification c hart : lkj d d d d d d d d d d 1- 7 59 model no. Sensing input ffi output type a) single-phase 27 or e) no relay g) nc relay sensing input under over range f) no relay no relay ell h) nc relay nc relay n) nc relay no relay 2) 1 to 40vac pic...
The be1-32r directional overpower relay and the be1 -32 0/u directional over/underpower relay are solid-state devices which provide versatility and control in protecting machines against reverse power flow, underpower and overpower conditions. Advantages • measures real power - el cos 0. • wide vari...
Be1-32r, be1-320/u application purpose the be1-32r directional overpower relay and the be1 - 32 0/u, directional over/underpower relays sense real power flow (ei cos 0). These relays are solid-state devices designed for use in single-phase or three-phase systems to provide equipment protection for o...
Be1-32r, be1 -32r 0/u application (continued) when the generator is paralleled and loaded, the kw signal will decrease by the amount of load the generator accepted. An underpower relay can measure utility power and generate a "stop" signal when utility power decreased below a selected level. A defin...
Be1-32r, be1-32r 0/u application (continued) true power (watts) monitoring tripping direction be1-32 modified type "a" sensing a reactive power (vars) monitoring tripping direction be1-32 modified type "a" sensing a b c figure 5 - vars measuring however, reactive power is defined by the equation: q ...
Be1-32r, be1-320/u specifications, continued if sensing input range 2, 3, 5, 6, 8 or 9 is selected, the input transformers are capable of 1 0 a continuous current, 15 a for 1 minute and 200 a for 1 second. Maximum burden for each current input (2 terminals) is 1 va at threshold over the frequency ra...
Be1-32r, be1-320/u specifications, continued three-phase (figure 1 0). The type d sensing configuration monitors three line-to-neutral volt ages and three phase currents of a three-phase, four-wire circuit and calculates the power flowing in the tripping direction. Relays with this sensing type are...
Be1-32r, be1-32r 0/u s pecifications (continued) sensing switch positions (in watts) input nominal type volts range a 8 c d e f g h j k 1 hi 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0 20.0 a,8, lo 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 or 2 hi 20 40 60 80 100 120 140 160 180 200 v 120 lo 5 10 15 20 2...
Be1-32r, be1-320/u specifications, continued vi c z 0 0 w en 100 10 ._, 1 99 80 60 50 40 30 20 w c w :::l!! I= 0 07 os .1 03 02 01 .01 1 2 3 4 5 6 7 8 multiple of tap value 9 10 figure 12 - overpower inverse characteristics outputs output contacts are rated as follows: resistive 120/240 vac - make...
Z 0 0 w a: ci " z a: d. A: 1- z 0 0 w a: ci " z a: d. A: 1- 52 generator connections 5 6 be1-32 - 8 9 - type a sensing 6 8 9 type b or v sensing with acb rotation be1-32 a b c n z 0 0 w a: ci " z a: d. A: 1- a c b z 0 0 w a: ci " z a: d. A: 1- 52 figure 13 - sensing connections (continued ne...
Be1-32r, be1-32r 0/u z 0 ;:: u w a: is "' z 0: 0. A: .... 10 connections {continued) z 0 ;:: z u 0 w ;:: a: u be1-32 is w "' be1-32 a: is z 0: "' 0. Z a: 0: 0. A: .... Type e sensing with abc rotation figure 13 (continued) - sensing connections + 1# £ & over or aux. 32 ie --;-- 18 18 power ie f &. F...
Be1-32r, be1-320/u o r de ring model number be1-32r directional power relay and be1-32 0/u directional over/underpower relay. Style number the style number appears on the front panel, drawout cradle, and inside the case assembly. This style number is an alphanumeric combination of characters identif...
Be1-32r, be1-320/u sensing type a) single-phase l-n voltage b) single-phase l-l voltage 30° phase shift (60 hz) c) single-phase current, three-phase (open delta) voltage, scott t d) three-phase current, three-phase f'nye) voltage, three element e) two-phase current, three-phase (open delta) voltage,...
