SR469-P5-HI-A20 电机保护装置 继电保护器 SR469
保护
功能图详细描述了IED的保护功能，以及
想象工厂设置的默认连接。
第3节1MRS756378 K
REF615标准配置
82参考文献615
应用手册
A071364 V4 EN
图38：过电流保护
提供四个过电流级，用于过电流和短路保护。
瞬时级（PHIPTOC1）可以通过给二进制通电来阻止
输入1（X120:1-2）。两个负序过电流级（NSPTOC1和
NSPTOC2）用于相位不平衡保护。涌流检测
块的（INRPHAR1）输出BLK2H启用功能块或
将任何所述保护功能块的有效设置相乘。
所有操作信号均连接至主跳闸和报警LED。LED 1
用于过电流，LED 4用于负序过电流保护
操作指示。LED 4也用于相位不连续保护操作
指示
从过电流第二高阶段开始的上游阻塞
（PHHPTOC2）连接到输出SO1（X110:14-16）。使用此输出
用于向相关过电流保护级发送闭锁信号
在进料舱安装简易爆炸装置。
1MRS756378 K第3节
REF615标准配置
参考文献615:83
应用手册
或LED2（EF操作）
血液toc1
I0＞HA
51NHA I0
I_REF_RES块启动操作谐波接地故障
保护（可选）
EFLPTOC1
I0>（1）
51N-1（1）I0
块ENA_MULT
开始操作EFLPTOC2
I0>（2）
51N-1（2）I0
块ENA_MULT
开始操作EFHPTOC1
I0>>（1）
51N-2（1）I0
块ENA_MULT
开动
EFIPTOC1
I0>>>50N/51N I0
块ENA_MULT
开动
LED3（SEF操作）
接地故障保护
敏感接地故障
保护
GUID-319BCA20-DC11-4110-8E70-F9E9474CDA07 V1 EN
图39：非定向接地故障保护
为非定向接地故障保护提供了四个阶段。一个阶段是
专用于敏感接地故障保护。根据订单代码
配置还可以包括可选的基于谐波的接地故障
（海生技委）保护。
所有操作信号均连接至主跳闸和报警LED。
LED 2用于定向接地故障，LED 3用于敏感接地故障
保护操作指示。
第3节1MRS756378 K
REF615标准配置
84参考文献615
应用手册
A071352 V4 EN
图40：相位不连续、热过载和断路器故障
保护
相位不连续性保护（PDNPSTOC1）提供以下保护：
正常三相负载供电中断，例如，在停机时
指挥情况。相位不连续保护的操作信号为：
连接到主跳闸，也连接到报警LED和干扰
录音机热过载保护（T1PTTR1）提供以下指示：
超载情况。热过载保护的操作信号为：
连接到主跳闸和报警LED。LED 4用于
相位不连续保护操作指示，与负极相同
顺序过电流保护操作指示，LED 5用于
热过载保护报警指示。
断路器故障保护（CCBRBRF1）通过启动输入启动
IED中不同保护级的数量。断路器故障保护
功能提供与断路器相关的不同操作模式
位置和测量断路器故障保护（CCBRBRF1）通过启动输入由
IED中不同保护级的数量。断路器故障保护
功能提供与断路器相关的不同操作模式
位置以及测量的相位和剩余电流。断路器故障
保护有两个操作输出：TRRET和TRBU。TRRET运行
输出用于通过主跳闸2重新触发其自身断路器。TRBU
输出用于向断路器上游馈电提供备用跳闸。为此
目的：TRBU操作输出信号连接到输出PO2（X100:
8-9). LED 6用于备用（TRBU）操作指示。
1MRS756378 K第3节
REF615标准配置
参考文献615:85
应用手册
PHHPTOC2操作PHHPTOC1操作PHIPTOC1操作
或
电弧保护（可选）
LED10（电弧保护）
ARCSARC1运行ARCSARC2运行ARCSARC3运行
自动重合闸（可选）
或
选择PDNSPTOC1操作NSPTOC2操作CBXCBR1
LED11（AR进行中）
X110
6.
7.
X120_BI3（断路器开路）
BI4（CB弹簧充电）
DARREC1
0 -> 1
79初始化_1初始化_ 2初始化u3初始化单元4初始化 5初始化U6 DEL_INIT_2 DEL_ INIT _3 delUinitu4 BLK_RECL_T BLK_ RCLM_T BLK_THERM CB_POS CB_ READY INC_SHOTP INHIBIT_RECR_ON SYNC
OPEN_CB CLOSE_CB CMD_WAIT INPRO LOCKED PROT_CRD UNSC_RECL AR_ON READY
弧弧1
弧（1）
50L/50NL（1）3I
Io
块REM_FLT_ARC OPR_MODE
操作ARC_FLT_DET
弧弧2
弧（2）
50L/50NL（2）3I
Io
块REM_FLT_ARC OPR_MODE
操作ARC_FLT_DET
弧弧3
弧 SR469-P5-HI-A20 电机保护装置 继电保护器 SR469
 SR469-P5-HI-A20 电机保护装置 继电保护器 SR469
for protection
The functional diagrams describe the IED’s protection functionality in detail and
picture the factory set default connections.
Section 3 1MRS756378 K
REF615 standard configurations
82 REF615
Application Manual
A071364 V4 EN
Figure 38: Overcurrent protection
Four overcurrent stages are offered for overcurrent and short-circuit protection.
The instantaneous stage (PHIPTOC1) can be blocked by energizing the binary
input 1 (X120:1-2). Two negative sequence overcurrent stages (NSPTOC1 and
NSPTOC2) are offered for phase unbalance protection. The inrush detection
block’s (INRPHAR1) output BLK2H enables either blocking the function or
multiplying the active settings for any of the described protection function blocks.
All operate signals are connected to the Master Trip and to the alarm LEDs. LED 1
is used for overcurrent and LED 4 for negative-sequence overcurrent protection
operate indication. LED 4 is also used for phase discontinuity protection operate
indication.
The upstream blocking from the start of the overcurrent second high stage
(PHHPTOC2) is connected to the output SO1 (X110:14-16). This output is used
for sending a blocking signal to the relevant overcurrent protection stage of the
IED at the infeeding bay.
1MRS756378 K Section 3
REF615 standard configurations
REF615 83
Application Manual
OR LED2 (EF OPERATE)
HAEFPTOC1
I0>HA
51NHA I0
I_REF_RES BLOCK START OPERATE HARMONIC EARTH-FAULT
PROTECTION (Optional)
EFLPTOC1
I0> (1)
51N-1 (1) I0
BLOCK ENA_MULT
START OPERATE EFLPTOC2
I0> (2)
51N-1 (2) I0
BLOCK ENA_MULT
START OPERATE EFHPTOC1
I0>> (1)
51N-2 (1) I0
BLOCK ENA_MULT
START OPERATE
EFIPTOC1
I0>>> 50N/51N I0
BLOCK ENA_MULT
START OPERATE
LED3 (SEF OPERATE)
EARTH-FAULT PROTECTION
SENSITIVE EARTH-FAULT
PROTECTION
GUID-319BCA20-DC11-4110-8E70-F9E9474CDA07 V1 EN
Figure 39: Non-directional earth-fault protection
Four stages are offered for non-directional earth-fault protection. One stage is
dedicated to sensitive earth-fault protection. Based on the order code, the
configuration can also include an optional harmonic-based earth-fault
(HAEFPTOC) protection.
All operate signals are connected to the Master Trip as well as to the alarm LEDs.
LED 2 is used for directional earth-fault and LED 3 for the sensitive earth-fault
protection operate indication.
Section 3 1MRS756378 K
REF615 standard configurations
84 REF615
Application Manual
A071352 V4 EN
Figure 40: Phase discontinuity, thermal overload and circuit breaker failure
protection
The phase discontinuity protection (PDNPSTOC1) provides protection for
interruptions in the normal three-phase load supply, for example, in downed
conductor situations. The operate signal of the phase discontinuity protection is
connected to the Master Trip and also to an alarm LED and the disturbance
recorder. The thermal overload protection (T1PTTR1) provides indication on
overload situations. The operate signal of the thermal overload protection is
connected to the Master Trip and also to an alarm LED. LED 4 is used for the
phase discontinuity protection operate indication, the same as for negative
sequence overcurrent protection operate indication, and LED 5 is used for the
thermal overload protection alarm indication.
The breaker failure protection (CCBRBRF1) is initiated via the start input by a
number of different protection stages in the IED. The breaker failure protection
function offers different operating modes associated with the circuit breaker
position and the measurThe breaker failure protection (CCBRBRF1) is initiated via the start input by a
number of different protection stages in the IED. The breaker failure protection
function offers different operating modes associated with the circuit breaker
position and the measured phase and residual currents. The breaker failure
protection has two operating outputs: TRRET and TRBU. The TRRET operate
output is used for retripping its own breaker through the Master Trip 2. The TRBU
output is used to give a back-up trip to the breaker feeding upstream. For this
purpose, the TRBU operate output signal is connected to the output PO2 (X100:
8-9). LED 6 is used for back-up (TRBU) operate indication.
1MRS756378 K Section 3
REF615 standard configurations
REF615 85
Application Manual
PHHPTOC2-operate PHHPTOC1-operate PHIPTOC1-operate
OR
ARC PROTECTION (Optional)
LED10 (ARC PROTECTION)
ARCSARC1-operate ARCSARC2-operate ARCSARC3-operate
AUTORECLOSING (Optional)
OR
PDNSPTOC1-operate NSPTOC1-operate NSPTOC2-operate CBXCBR1-selected
LED11 (AR IN PROGRESS)
X110
6
7
X120_BI3 (CB Open)
BI4 (CB Spring Charged)
DARREC1
0 -> 1
79 INIT_1 INIT_2 INIT_3 INIT_4 INIT_5 INIT_6 DEL_INIT_2 DEL_INIT_3 DEL_INIT_4 BLK_RECL_T BLK_RCLM_T BLK_THERM CB_POS CB_READY INC_SHOTP INHIBIT_RECL RECL_ON SYNC
OPEN_CB CLOSE_CB CMD_WAIT INPRO LOCKED PROT_CRD UNSUC_RECL AR_ON READY
ARCSARC1
ARC (1)
50L/50NL (1) 3I
Io
BLOCK REM_FLT_ARC OPR_MODE
OPERATE ARC_FLT_DET
ARCSARC2
ARC (2)
50L/50NL (2) 3I
Io
BLOCK REM_FLT_ARC OPR_MODE
OPERATE ARC_FLT_DET
ARCSARC3
ARC (3)
50L/50NL (3) 3I
Io
BLOCK REM_FLT_ARC OPR_MODE
OPERATE ARC_FLT_DET
EFLPTOC1-operate EFHPTOC1-operate X110_BI2 (AR ext. Start)
A071370 V5 EN
Figure 41: Arc protection
Arc protection (ARCSARC1...3) and autoreclosing (DARREC1) are included as
optional functions.
Section 3 1MRS75637 | SR469-P5-HI-A20 电机保护装置 继电保护器 SR469 | | | |
