REF615C-D HCFCACABANB2BAN1XD ABB New original protection integrated relay

REF615C-D HCFCACABANB2BAN1XD ABB New original protection integrated relay

REF615C-D HCFCACABANB2BAN1XD ABB New original protection integrated relay

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REF615 feeder protection measurement and control device can provide directional / non directional overcurrent protection and

Thermal overload protection can also provide directional and non directional grounding protection for feeders.

The standard configuration provides admittance ground protection in addition to directional ground protection,

Harmonic grounding protection or power grounding protection. In addition, the device provides a sensitive grounding

Protection, open phase protection, transient / intermittent grounding protection, overvoltage and undervoltage

Protection, zero sequence overvoltage protection, positive sequence low voltage protection and negative sequence overvoltage protection.

Frequency protection, including over frequency, low frequency and frequency change rate protection

J and N devices. In addition, the device provides optional multiple auto reclosing

Function for overhead line feeders.

Standard configuration n can also provide multi frequency admittance grounding protection for high impedance grounding grid

For selective directional grounding protection. This protection function is based on the measured number of neutral points

Frequency admittance, the measurement of this multi frequency admittance value needs to use the fundamental wave components in uo and IO

And harmonic components. The special filtering algorithm ensures the intermittent grounding and arc

The fault direction can be safely and reliably discriminated even in the case of re ignition. As a single

Independent protection function, whether the protection is grounded with low resistance or grounded with high resistance,

It can also be ensured in the case of instantaneous grounding / intermittent grounding / arc re ignition

Reliability and sensitivity.

As an optional function, three arcs can be added by configuring corresponding hardware and software

Optical detection channel, to realize the cable room, bus room and disconnection of metal armored switchgear

Arc protection of circuit breaker room.

The arc protection sensor interface is provided by the optional communication module. When arc fault occurs

The arc protection can act quickly in a short time, thus providing personal safety with

Guarantee and minimize the damage of arc fault to the switchgear. switch

Quantity input / output module (optional) - including 3 high-speed switching quantity outputs

(HSO), which can further reduce 4... 6ms compared with ordinary switching output

Overall action time.

application

REF615 feeder protection measurement and control device has directional or non directional grounding protection function.

Directional grounding protection is mainly used in the neutral ungrounded or compensated power network

Forward grounding protection is used for direct or low impedance grounding networks. The device can also be used for rings

Type and grid type distributed networks, and radiation type networks including distributed power sources.

Standard configuration C and D: provide non directional grounding protection for outgoing line equipped with phase current transformer

Protect. Zero sequence current for grounding protection is calculated by phase current. In particular:

During use, especially when sensitive grounding protection is required, magnetic balance current transformer

It can be used to measure zero sequence current.

Standard configuration J includes directional overcurrent protection and directional grounding protection based on protection and measurement

Amount of voltage and frequency. Whether it is self generated by the factory or from the industrial power system

The standard configuration of the distribution network in can be fully supported. Assembly with standard configuration J

The device is equipped with synchronous detection function to ensure safe grid connection. Standard configuration J also includes optional

The power quality function of can monitor and detect current and voltage harmonics and reduce

Short system failure time.

Standard configuration n provides the most complete functions of all standard configurations. With other 615 bids

Like the quasi configuration, the standard configuration n is preconfigured. Usually when put into use,

Reconfiguration is required. This can flexibly realize the standardization of the same model.

Select appropriate functions according to specific feeder application and use pcm600

Application configuration tool to create a unique configuration. Standard configuration n cannot be at the same time

Use all available functions in the device. In order to ensure the performance of the device

The defined configuration needs to be verified by the application configuration tool of pcm600.

In addition to directional grounding protection, it can also be equipped with admittance grounding protection and harmonic grounding

Earth protection or power earth protection. Admittance grounding protection and power grounding protection functions

Optional in standard configuration n. Harmonic grounding protection is available in standard configurations D, J and n

Choose. Admittance grounding protection even if the connection status information of Petersen coil is lost

The function can also ensure the correct operation of the protection device. In addition, the standard configuration n also provides

Multi frequency admittance grounding protection is provided.