TCi HGP HarmonicGuard Series, Инструкция по установке, эксплуатации и обслуживанию

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HGP Kit Manual 6.0 Troubleshooting
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any residual stored charge in the tune circuit capacitors to be dissipated by bleeder resistors before
the tune circuit is re-energized.
If a minimum time is not enforced between repeated contactor close events the contactor may re-
close and apply line voltage out of phase with the residual voltage on the tuned circuit capacitors.
This could cause high currents to flow through the tuned circuit contactor and potentially blow the
contactor protective fuses. The remaining time on the minimum contactor re-close timer can be
viewed on feedback parameter 286.
12 Contactor is being held
open due to close delay
timer.
An internal contactor close event is pending but the contactor is being held open because the
configured contactor close delay time out period has not yet been achieved. The automatic contactor
control modes (load current control and line kVAR control) are configured with contactor close and
open delay timers to avoid changing the contactor state due to short transient conditions. The
presently configured contactor close delay time in units of seconds is viewable via feedback
parameter 274. The contactor close delay time can be adjusted via setpoint parameter 574
13 Contactor is being held
open due to the auto
reclose delay
An internal contactor automatic reclose event is pending but the contactor is being held open
because the configured automatic re-close time has not been achieved yet.
The PQconnect continuously monitors the internal conditions of the HGP passive filter and the
external conditions of the filter line and load currents and voltages. Some status conditions are
configured to open the tuned circuit contactor when detected as a self-protection feature. An optional
feature can be enabled (feedback parameter 252) to attempt to re-close the tuned circuit contactor
after a status condition has been detected. The auto reclose enable setpoint parameter is parameter
511 and the auto reclose delay time setpoint parameter is parameter 580.
14 Contactor is being held
open due to auto reclose
limit being reached.
An internal contactor automatic reclose event is pending but the contactor is being held open
because the number of re-close attempts in a set time period has been exceeded.
The PQconnect continuously monitors the internal conditions of the HGP passive filter and the
external conditions of the filter line and load currents and voltages. Some status conditions are
configured to open the tuned circuit contactor when detected as a self-protection feature. An optional
feature can be enabled (feedback parameter 252) to attempt to re-close the tuned circuit contactor
after a status condition has been detected. However, if too many re-close attempts (parameter 282)
are made within a set time period (parameter 283) the unit will stop attempting to auto reclose.
To debug which status conditions caused the contactor open event the presently configured
contactor open actions can be audited using feedback parameters 240-Filter A, 241-Filter B 242-
Filter Line and 243 Filter Load. The set or clear status of these contactor open status detections can
be viewed via feedback parameters 210-Filter A, 211-Filter B 212-Filter Line and 213 Filter Load.
Also, the present value of all status detections and wither they are configured to open the tune circuit
contactor when detected can be viewed via the PQvision software settings menu screen.
When the auto re-close limit has been reached a power cycle of the passive filter unit is required to
clear the condition and allow the contactor to re-close.
Warning
Many electronic components located within the filter are sensitive to static electricity.
Voltages imperceptible to human touch can reduce the life, affect performance and/or
destroy sensitive electronic devices. Use proper electrostatic discharge (ESD) procedures
when servicing the filter and its circuit boards.