Hubbell Chance CRS Manuale utente

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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 suciently 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

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.

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.

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"

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

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.

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

representative or email HPSUtilityAutoma[email protected]om to receive an updated version.

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

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

Hubbell Power Systems representative or by emailing HPSUtilityAutoma[email protected]om

Figure 8Figure 7

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

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 insucient time for the sectionalizer to power up and

increment its count.

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