Hubbell Chance CRS Manuel utilisateur
Hubbell has a policy of continuous product improvement. Please visit hubbellpowersystems.com to confirm current design specifications.
Revision G
01/18
PSP7400001
Type CRS and Type PRS
Electronic Resettable Sectionalizer
Installation, Operation and Maintenance Manual
Hazardous voltage.
Will cause severe personal injury, death, or
property damage.
Only qualified personnel should work on
or around this equipment after becoming
thoroughly familiar with this document and
other publications regarding this equipment.
The Chance® Electronic Resettable Sectionalizer (CRS)
and Programmable Resettable Sectionalizer (PRS) work in
conjunction with automatic reclosers or reclosing circuit
breakers to isolate a faulted section of a distribution system.
The sectionalizer is a deadline device, it opens only during
the time that the recloser is open. The CRS and PRS can be
manually reset with an adjustable wrench or in the cutout via
the 'in-air' resettable trunnion.
These instructions do not claim to cover all details or variations in equipment, nor to provide for all possible conditions to
be met concerning installation, operation, or maintenance of this equipment. If further information is desired or if particular
problems are encountered which are not suciently covered in this guide, contact your Hubbell Power Systems representative.
NOTE:
Qualified Person
For the purpose of this manual, a qualified person is one who is familiar with the installation,
construction, and operation of the equipment, as well as the hazards involved. In addition, this person
should have the following qualifications:
• Is trained and authorized to energize, de-energize, clear, ground, and tag circuits and equipment in
accordance with established safety practices.
• Is trained in the proper care and use of protective equipment such as rubber gloves, hard hats, safety
glasses or face shields, flash clothing, etc., in accordance with established safety practices.
• Is trained in rendering first aid.
! DANGER
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©2017 Hubbell Incorporated | CRS & PRS Installation Instructions
indicates death, severe personal injury or substantial property damage will result if proper
precautions are not taken.
indicates death, severe personal injury or substantial property damage can result if proper
precautions are not taken.
indicates death, severe personal injury or substantial property damage will result if proper
precautions are not taken.
! DANGER
! WARNING
! CAUTION
NOTICE
Indicates notification of installation, operation or maintenance information.
Guide to Warnings within Manual
The following is a list of warnings used within this manual and should be read in their entirety to ensure
safe practices.
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©2017 Hubbell Incorporated | CRS & PRS Installation Instructions
Inspection
Thoroughly inspect the sectionalizer for visible damage. Do not install the sectionalizer if there is damage
to any of the parts.
Storage
If the sectionalizer will not be installed immediately, it must be stored in a clean, dry location at ambient
temperatures from -40°C to 85° C.
Installation
Select a properly rated sectionalizer for each installation with consideration to continuous current,
actuating current, BIL, and number of counts. If applicable, ensure the nameplate rating for continuous
current and counts matches the applications requirements. Should there be any concern on the use of
this sectionalizer as rated, consult your supervisor BEFORE installation.
Securely attach mounting bracket to crossarm or pole. Install the sectionalizer mounting assembly on
the mounting bracket with the external tooth lockwasher placed between the mounting bracket and the
sectionalizer bushing support pin (see Figure 1). Tighten the nut finger-tight. Locate the sectionalizer on
the mounting bracket to provide maximum clearance for the operator and to provide maximum ease of
operation. Securely tighten the carriage bolt nut.
To attach electrical leads to the top and bottom terminals, loosen the nuts on both terminals, wire brush
the conductors, and apply a coating of oxidation inhibitor to both leads. Insert leads into terminals and
tighten nuts to approximately 20 lbf (Nm)
Figure 1:
SECTIONALIZER MOUNTING
ASSEMBLY INSTALLATION
EXTERNAL-TOOTH
LOCKWASHER
1/2" NUT
LOCKWASHER
BUSHING
SUPPORT PINMOUNTING
BRACKET
CARRIAGE BOLT
NOTICE
Units are shipped in latched position. Do NOT attempt to unlatch mechanism manually. Manual
opening may damage both internal and external mechanism parts.
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©2017 Hubbell Incorporated | CRS & PRS Installation Instructions
Operation & Resetting
In the event of a permanent fault, the sectionalizer will operate and drop open to isolate the faulted section
of line. Always repair the fault and reset the sectionalizer before placing the sectionalizer into service.
All resettable sectionalizers can be reset by using an adjustable wrench. Insert the opening of the
adjustable wrench into the hole on the back of the trunnion as shown in Figure 2. Rotate the trunnion with
the wrench until the trunnion is completely latched as shown in Figure 3. Slowly, remove the wrench from
the trunnion. The trunnion* will snap open if it is not fully closed. If this should occur repeat this step.
All resettable sectionalizers manufactured after March 2015 also include an “in-air” resettable
trunnion* which may be used to reset the CRS/PRS units in the cutouts. To do so, insert the hookstick,
press the sectionalizer downward and backward towards the pole, and then replace it into the cutout
between the top and bottom contacts. If the pin is not reset, the unit will not fit nor stay in place within the
cutout, i.e., it will drop out. If this occurs, please repeat the aforementioned steps to reset it. (see Figure 4).
The resettable sectionalizers are not loadbreak devices. The sectionalizer must be opened using only
approved loadbreak type tools or a similar device designed for use with cutouts. Follow all instructions
provided with such tools. The sectionalizers are equipped with “hooks” for use with these types of
loadbreak tools.
*If the device is fitted with an 'in-air' resettable trunnion, it will have a yellow donut-shaped sticker around the top potted portion. The
sticker is reflective such that if the unit drops out at night, a lineman can shine a flashlight at it and see that the unit is 'in-air' resettable
and does not need to be removed from the cut-out before being put back in service.
Ensure trunnion is latched.
Sectionalizer will not function if trunnion is not latched properly.
Follow recommended latching procedure in this manual.
! CAUTION
Figure 2:
RESETTING SECTIONALIZER
START POSITION
(PIN NOT RESET)
Figure 3:
RESETTING SECTIONALIZER
FINISH POSITION
(PIN RESET)
Figure 4:
RESETTING SECTIONALIZER
"IN-AIR"
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©2017 Hubbell Incorporated | CRS & PRS Installation Instructions
To close the sectionalizer for the first time, or after properly repairing a fault, insert a hook stick into
the opening in the trunnion and place the sectionalizer module into the hinge as shown in Figure 5.
Remove the hook stick. Position yourself to the side of the sectionalizer. Place the hook stick in the
hook stick ring and rotate to the position shown in Figure 6. Look away from the sectionalizer and
quickly and firmly push the sectionalizer into the closed position. Remove the hook stick from the ring
carefully to avoid opening of the sectionalizer.
Figure 5:
PLACEMENT OF
SECTIONALIZER INTO HINGE
Figure 6:
CLOSING SECTIONALIZER INTO
MOUNTING ASSEMBLY
Closing on fault.
Can cause death, serious injury or equipment damage.
Locate and repair fault before closing sectionalizer.
Arcing and particles discharge.
Can cause personal injury and equipment damage.
Use loadbreak tool when opening an energized sectionalizer.
! WARNING
! WARNING
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©2017 Hubbell Incorporated | CRS & PRS Installation Instructions
Operation Considerations
To ensure PRS devices operate on the first count, 5 Amps load or more is required to be on the line.
This ensures that all capacitors to fire the solenoid, hold counts, and record counts are fully charged.
Additionally, please be conscious of any downline devices (capacitor banks, generators, etc.) that could
cause backfeed on the line. If this backfeed exceeds 500mA (200mA for CRS), the sectionalizer will not
increment its count since the deadline condition is not met. The device must see an actuating current
(fault) for 1 cycle and deadline condition of 500mA (200mA for CRS) for 5 cycles in order to increment its
count and subsequently dropout if all counts are met.
Maintenance
All sectionalizers are tested at the factory prior to shipment. The mechanism for this device is
sealed from the environment and is not user-serviceable. Replace any modules that show evidence of
excessive pitting or burning. Replace any broken or cracked porcelain, polymer, and/or arc chute if it is
damaged. Inspect all contacts for evidence of excessive pitting or burning due to arcing and replace if
necessary. Check that the pivot of the trunnion is clean and that the trunnion moves freely when resetting
the trunnion. The trunnion and/or internal mechanism, if damaged, can be replaced at the factory.
If additional information is needed, contact your Hubbell Power Systems Representative or
HPS Customer Service at (573) 682-5521 or email at hpscs@hubbell.com.
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©2017 Hubbell Incorporated | CRS & PRS Installation Instructions
Programming Instructions for ONLY Type CRS
Electronic Resettable Sectionalizer
The Chance Resettable Sectionalizer (CRS) is required to be programmed at the factory when ordered. The
following tables (below) provide the ratings and number of counts which may be ordered. The ratings and
counts can be entered in position 7 and position 8, respectively, of the part number.
Programming Instructions for ONLY Type PRS
Electronic Resettable Sectionalizer
The Programmable Resettable Sectionalizer (PRS) is resettable and programmable, thus
eliminating the need to replace parts and order specific factory settings. It is equipped with a
microcontroller-based architecture that, combined with the simple and user-friendly software interface,
allows the user to modify settings.
The Type PRS unit is equipped with an IP68 rated mini USB port located on the underside of the current
transformer housing.
The most current sectionalizer user interface (U.I.) can be obtained by contacting your Hubbell Power
Systems representative.
If you find your UI, firmware, or drivers require updating, please contact your Hubbell Power Systems
A standard USB type B / mini male connector cable is necessary to interface between the sectionalizer
and programmer. The USB cable can be ordered separately from Hubbell as Part No. PSC7400177.
Figure A: CRS Rating and Counts for Ordering
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©2017 Hubbell Incorporated | CRS & PRS Installation Instructions
PROGRAMMING
1. Download the programmer, drivers, and firmware onto
a Windows-based computer and follow the onscreen
instructions to install the sectionalizer programmer interface
on the computer.
A shortcut (at right) will be displayed on the Desktop upon
installation.
NOTE: To obtain a copy of the Programmer, please email HPSUtilityAutomation@hubbell.com
2. Unscrew the protective cap on the sectionalizer mini USB port and insert the USB cable mini male
connector into the sectionalizer. Insert the standard male USB connector into an available USB port on
the computer (see Figures 7 and 8 below).
3. Click on the Programmer shortcut (Figure 9) on the desktop to launch the Programmer user interface
(U.I.).
4. Once launched, the Hubbell Sectionalizer Programmer software automatically searches for and
establishes communications via a USB communication (COM) Port. Please ensure that the proper
drivers are installed prior to running the Programmer. The drivers can be obtained by contacting your
Figure 8Figure 7
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©2017 Hubbell Incorporated | CRS & PRS Installation Instructions
Settings Tab
The main Settings screen will be displayed when the UI is opened.
To connect to the sectionalizer and to view the sectionalizer’s existing settings select the "Read Settings
From Sectionalizer" button. To change the settings of the sectionalizer, enter one or more of the actuating
current, number of counts, reset time, and line frequency.
Once the settings have been entered, select the "Write Settings To Sectionalizer" button to write the
settings to the sectionalizer. Depending on the firmware to which the settings are being written, enter the
default password of PASS#123 when prompted to finalize the programming.
To save the current settings for later programming of additional sectionalizers before a firmware upgrade,
select "Save To File" and then the local path at which the settings file should be saved. The settings file will
be saved as ".prs"
If the desired settings are saved in a local .prs file on your computer, select the "Load From File" to
populate the settings fields with those settings and then "Write Settings to Sectionalizer."
If the proper settings are unknown, select the "Sectionalizer Settings Calculator". Enter the source recloser
minimum trip value, number of operations to lockout, and reset time (in seconds) in the appropriate fields
on the left side of the form. The suggested sectionalizer settings will be displayed on the right side of the
screen (See Figure 10B).
Figure 10A: Settings Tab
Figure 10B: Settings Calculator
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©2017 Hubbell Incorporated | CRS & PRS Installation Instructions
Notes
• The suggested actuating current of the sectionalizer should be 80% of the minimum trip value of the
upstream recloser. Where hydraulics are used, this value is 1.6 times the continuous current rating of the
recloser.
• The count to drop out MUST be at least 1 operation less than the number operations to lock-out of the
upstream recloser.
• The reset time of the sectionalizer should be greater than or equal to the reset time of the upstream
recloser.
• Sectionalizers showing as hardware revision '1' include modifications to the control board which allow
for an increased hold up time of 900 seconds. Older boards having hardware revision '0' have a hold up
time of approximately 90 seconds.
• Sectionalizers showing a hardware revision of '1' have a power up time (from a dead state) of
approximately 3.5 cycles (60 milliseconds) plus 0.5 additional cycle to increment the count and charge
the firing capacitor at 300A fault current. Older boards showing a hardware revision of '0' have a power
up time (from a dead state) of approximately 9 cycles (150 milliseconds) plus 1.5 additional cycles to
increment the count and charge the firing capacitor at 150A fault current. *Note that higher fault values
decrease the charge times of the firing capacitor and lower fault values increase the charge times of the
firing capacitor; however, the power up times are hardware dependent.
• When operating on a fast curve with lightly loaded lines, please consider setting the sectionalizer to 2
counts less than the upstream recloser if there is insucient time for the sectionalizer to power up and
increment its count.
Ce manuel convient aux modèles suivants
1
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