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Basler BE1-59N Instruction Manual

Ground fault overvoltage relay
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INSTRUCTION MANUAL
FOR
GROUND FAULT OVERVOLTAGE RELAY
BE1-59N
Publication: 9 1714 00 990
Revision: E
12/2001

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Summary of Contents for Basler BE1-59N

  • Page 1 INSTRUCTION MANUAL GROUND FAULT OVERVOLTAGE RELAY BE1-59N Publication: 9 1714 00 990 Revision: E 12/2001...
  • Page 2 To accomplish this, the following is provided. • Specifications • Functional characteristics • Operational Tests • Mounting Information W A R N I N G ! To avoid personal injury or equipment damage, only qualified personnel should perform the procedures presented in this manual. BE1-59N Introduction...
  • Page 3 December 2001 CONFIDENTIAL INFORMATION OF BASLER ELECTRIC COMPANY, HIGHLAND, IL. IT IS LOANED FOR CONFIDENTIAL USE, SUBJECT TO RETURN ON REQUEST, AND WITH THE MUTUAL UNDERSTANDING THAT IT WILL NOT BE USED IN ANY MANNER DETRIMENTAL TO THE INTEREST OF BASLER ELECTRIC COMPANY.

  • Page 4: Table Of Contents

    MANUAL CHANGE INFORMATION ..........6-1 BE1-59N Introduction...

  • Page 5: Section 1 • General Information

    Sensitive voltage relays can be used to detect ground faults where the fault current is very small. The BE1-59N Ground Fault Overvoltage Relay is especially suited to this task.

  • Page 6: Model And Style Number

    Electrical characteristics and operational features included in a specific relay are defined by a combination of letters and numbers which makes up the device style number. The model number, BE1-59N, designates the device as a Basler Electric Class 100 Ground Fault Overvoltage protective relay. The style number together with the model number describe the features and options in a particular device and appear on the front panel, drawout cradle and inside the case assembly.
  • Page 7 Figure 1-2. Style Number Identification Chart BE1-59N General Information...

  • Page 8: Specifications

    SPECIFICATIONS The BE1-59N Ground Fault Overvoltage Relay has the following features and capabilities. Voltage Sensing Inputs Maximum continuous rating: 360 Vac for 100/120 Vac input, 480 Vac for 200/240 Vac input, with a maximum burden of 2 VA for each input.
  • Page 9 -65  C (-85  F) to +100  C (+212  F). Storage Temperature Shock In standard tests, the relay has withstood 15 g in each of three mutually perpendicular planes without structural damage or degradation of perfor- mance. BE1-59N General Information...
  • Page 10 10 to 500 Hz for a total of six sweeps, 15 minutes each sweep, without structural damage or degradation of performance. Weight 13.6 (6.17 kg) maximum. Case Size S1 (6.85"W x 9.32"H x 9.405"D). Figure 1-3. Overvoltage Inverse Time Curves BE1-59N General Information...
  • Page 11 Figure 1-4. Undervoltage Inverse Time Curves Table 1-2. Undervoltage Inverse Time Curves Scale Sensing Input Range Option 1-2 Option 1-1 1, 2, 5, or 6 Scale A Scale C 3, 4, 7, or 8 Scale B Scale D BE1-59N General Information...

  • Page 12: Section 2 • Controls And Indicators

    SECTION 2 • CONTROLS AND INDICATORS GENERAL Table 2-1 lists and describes the controls and indicators of the BE1-59N Ground Fault Overcurrent Relay. Table 2-1. Controls and Indicators (Refer to Figure 2-1) Letter Control or Indicator Function or Indicator Overvoltage Pickup...
  • Page 13 Figure 2-1. Location of Controls and Indicators. BE1-59N Controls and Indicators...
  • Page 14 BE1-59N Controls and Indicators BE1-59N Controls and Indicators...

  • Page 15: Section 3 • Functional Description

    SECTION 3 • FUNCTIONAL DESCRIPTION GENERAL The BE1-59N Ground Fault Overvoltage Relay is a solid state digital device that is designed to detect ground faults. The functional block diagram of Figure 3-1 illustrates the overall operation of the relay. Figure 3-1. Functional Block Diagram...

  • Page 16: Definite Time Delay (Optional)

    The panel mounted undervoltage inhibit potentiometer is continuously adjustable from 40 to 120 Vac for 100/120 Vac sensing input, and 80 to 240 Vac for the 200/240 Vac input. BE1-59N Functional Description...

  • Page 17: Power Supply

    A shorting bar is included in the relay case so that the status output terminals can provide a remote indication that the BE1-59N relay has been withdrawn from its case or taken out of service by removing the connection plug.

  • Page 18: Section 4 • Installation

    If there is evidence of damage, immediately file a claim with the carrier and notify the Regional Sales Office, or contact the Sales Representative at Basler Electric, Highland, Illinois. In the event the relay is not to be installed immediately, store the relay in its original shipping carton in a moisture and dust free environment.
  • Page 19 Figure 4-1. Typical Control Circuit Connections BE1-59N Installation...
  • Page 20 Figure 4-2. Typical Voltage Sensing Connections BE1-59N Installation...
  • Page 21 Figure 4-3. Typical Internal Connections BE1-59N Installation...

  • Page 22: Operational Test

    STEP 7. Set the OVERVOLTAGE TIME DIAL to the desired characteristic curve. (Reference Figure 1-2b.) STEP 8. Adjust the voltage output of T2 to one half of T1. STEP 9. Increase the voltage of T1 by an amount that represents any voltage ( V) of interest. BE1-59N Installation...
  • Page 23 Figure 4-4. Typical Test Setup BE1-59N Installation...
  • Page 24 V lower than pickup. The switching also provides a means of precisely verifying the time between the voltage step change and the resulting output response. STEP 20. Set the UNDERVOLTAGE TIME DIAL to the desired characteristic curve. (Reference Figure 1-2a.) BE1-59N Installation...
  • Page 25 (whichever is greater) of the time given in Figure 1-2a. STEP 24. By changing V, steps 22 and 23 may be repeated to verify any segment of the characteristic curve that is of interest. Figure 4-5. Panel Drilling Diagram (Flush Mounting) BE1-59N Installation...
  • Page 26 P0010- 8.VSD 12-12-01 F R O N T V I E W S I D E V I E W Figure 4-6. Outline Dimensions (Flush Mounting) Figure 4-7. Panel Drilling Diagram (Projection Mounting) BE1-59N Installation...
  • Page 27 CASE DETAIL A-A SHOWING THE ADDITION OF WASHERS OVER THE BOSS TO TIGHTEN THE RELAY AGAINST THE PANEL. P0002-17 01-30-01 Figure 4-8. Outline Dimensions (Projection Mounting) 4-10 BE1-59N Installation...

  • Page 28: Section 5 • Maintenance

    TEST PLUG The test plug (Basler part number 10095 or G.E. part number 12XLA12A1) provides a quick, easy method of testing relays without removing them from their case. The test plug is simply substituted for the connection plug.
  • Page 29 1 through 10 facing up. Similarly, when using the test plug in the upper part of the relay, the numbers 11 through 20 are faceup. It is impossible, due to the construction of the test plug, to insert it with the wrong orientation. BE1-59N Maintenance...

  • Page 30: Section 6 • Manual Change Information

    Output contact spec. updated. B/10222 New timing option, F7, incorporated in manual. Page 2-3: K was clarified for the various options. A/9248 Page 1-4: Accuracy specification for the Inverse Timing Characteristic was clarified and upgraded. BE1-59N Manual Change Information...
  • Page 31 ROUTE 143, BOX 269 HIGHLAND, IL 62249 USA http://www.basler.com, info@basler.com PHONE 618-654-2341 FAX 618-654-2351...

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