




140AVI03000
接地故障方向敏感
IE>=0.05…2英寸
t=120…100.000毫秒,用于向前/向后
倾角α=0…20°,
倾角δ=-180…180°
UNE>=0.05…0.7 Un
IEC 60255-12
51N接地故障IDMT
标准、非常、非常或长时间反时间
特征
Ie=0.05…40英寸
k=0.05…1.5
IEC 60255-3
59瞬时过电压
U> >>=0,10…3 Un
t=20…300.000毫秒
IEC 60255-3
59过电压高
U> >=0,10…3 Un
t=70…300.000毫秒
IEC 60255-3
59过电压低
U> =0,10…3 Un
t=70…300.000毫秒
IEC 60255-3
27欠压瞬时
U<<=0,10…1,2 Un
t=50…300.000毫秒
IEC 60255-3
27欠压高
U<=0,1…1,2 Un
t=70…300.000毫秒
IEC 60255-3
27欠压低
U<=0,1…1,2 Un
t=70…300.000毫秒
IEC 60255-3
59N剩余过电压高
联合国>>=0.05…3联合国
t=40…300.000毫秒
IEC 60255-3
59N剩余过电压低
联合国>=0.05…3联合国
t=40…300.000毫秒
IEC 60255-3
49热过载保护(具有完整记忆功能的一阶热方程)
Tn=50…400°C(英寸时的标称温度)
In(Mot)=1…10000 A(标称电流的主要值
电机电流)
Tini=50…120%Tn(通电时的初始温度)
τcool=10…20.000 s(I<0.1 In和n时的时间常数
= 0)
τwarm=10…20.000 s(时间常数正常)
τwarm=10…20.000 s(I>2 In时的时间常数)
Tmax=20…400°C(高温度)
Twarn=20…400°C(警告温度)
Tenvi=50…Tini(环境温度)
IEC 60255-8
REF 542plus开关间保护和控制单元
手册第3部分:安装和调试
1VTA10004 en DMS,2001-10-04参考542 Plus:安装和调试64/80
ANSI规范保护功能和设置参数测试程序
51电机启动保护(绝热特性)
Ie=0.3…1.2英寸(电机电流)
Is=1,00…20 Ie(起始值)
t=70…300.000毫秒
一> =0.6…0.8 Is(电机启动)
IEC 60255-3
51LR闭锁转子(定时间特性)
Ie=0.3…1.2英寸(电机电流)
Is=1,00…20 Ie(起始值)
t=70…300.000毫秒
IEC 60255-3
66起动次数
n(暖)=1…10(暖启动次数)
n(冷)=1…10(冷启动次数)
t=1.02..7200秒
温度(暖)=20…200°C(温度限制,暖启动)
带自动重合闸的21+79距离保护
系统接地=高/低欧姆
ct–接地=线路侧、母线侧
有/无接地起动
切换到故障=正常、超越区域、启动后跳闸
信号比较超越方案时间集=30…。
300.000毫秒
U/I-启动特性:
一> ,即,如果>=0.05…4英寸
UF<=0.05…0.9 Un
相位选择=循环/非循环
接地系数:
k=0,00…10,00
Б(k)=-60…60°
3个阻抗级和1个超阻抗级:
R=0.05…120Ω (次要值)
X=0.05…120Ω (次要值)
t=20…10.000毫秒
1.定向舞台
方向0…90 bzw-45 ... 135°
t=25…10.000毫秒
1.非定向阶段
t=25…10.000毫秒
2次短/长时间重合闸AR
IEC 60255-16
87差动保护
变压器组=0…11
变压器接地=一次侧和/或二次侧
笔名。一次/二次侧的电流输入
变压器=0.00…100.000A(初始值)
阈值电流=0,10…0,50 In
无偏区域限制=0.50…5英寸
轻微偏置区域阈值=0,20…2英寸
轻微偏置区域限制=1,00…10,0 In
斜率=0,40…1,00
Id>=5,00…40英寸的跳闸
二次谐波阻塞=0.10…0.30英寸
五次谐波阻塞=0.10…0.30英寸
IEC 60255-13
REF 542plus开关间保护和控制单元
手册第3部分
140AVI03000

140AVI03000
Earth fault directional sensitive
IE> = 0,05 ... 2 In
t = 120 ... 100.000 ms, for- / backward
Slope angle α = 0 ... 20°,
Slope angle δ = - 180 ... 180°
UNE> = 0,05 ...0,7 Un
IEC 60255-12
51N Earth fault IDMT
Standard, very, extremely or long time inverse time
characteristic,
Ie = 0,05 ... 40 In
k = 0,05 ... 1,5
IEC 60255-3
59 Overvoltage instantaneous
U>>> = 0,10 ... 3 Un
t = 20 ... 300.000 ms
IEC 60255-3
59 Overvoltage high
U>> = 0,10 ... 3 Un
t = 70 ... 300.000 ms
IEC 60255-3
59 Overvoltage low
U> = 0,10 ... 3 Un
t = 70 ... 300.000 ms
IEC 60255-3
27 Undervoltage instantaneous
U<<< = 0,10 ... 1,2 Un
t = 50 ... 300.000 ms
IEC 60255-3
27 Undervoltage high
U<< = 0,1 ... 1,2 Un
t = 70 ... 300.000 ms
IEC 60255-3
27 Undervoltage low
U< = 0,1 ... 1,2 Un
t = 70 ... 300.000 ms
IEC 60255-3
59N Residual overvoltage high
UNE>> = 0,05 ... 3 Un
t = 40 ... 300.000 ms
IEC 60255-3
59N Residual overvoltage low
UNE> = 0,05 ... 3 Un
t = 40 ... 300.000 ms
IEC 60255-3
49 Thermal overload protection (thermal equation 1st order with complete memory function)
Tn = 50 ... 400 °C (nominal temperature at In)
In (Mot) = 1 ... 10000 A (primary value of the nominal
motorcurrent)
Tini = 50 ... 120 % Tn (initial temperature at power on)
τcool = 10 ... 20.000 s (time constant at I< 0.1 In and n
= 0)
τwarm = 10 ... 20.000 s (time constant normal)
τwarm = 10 ... 20.000 s (time constant at I > 2 In)
Tmax = 20 ... 400 °C (maximal temperature)
Twarn = 20 ... 400 °C (warn temperature)
Tenvi = 50 ... Tini (environment temperature)
IEC 60255-8
REF 542plus switchbay protection and control unit
Manual Part 3: Installation and Commissioning
1VTA100004-en DMS,2001-10-04 REF542plus: Installation and Commissioning 64 / 80
ANSI Code Protection Function and the Setting Parameters Test Procedure
51 Motor start protection (adiabatic characteristic)
Ie = 0,3 ... 1,2 In (motor current)
Is = 1,00 ... 20 Ie (start value)
t = 70 ... 300.000 ms
I> = 0,6 ... 0,8 Is (motor start)
IEC 60255-3
51LR Blocking rotor (definite time characteristic)
Ie = 0,3 ... 1,2 In (motor current)
Is = 1,00 ... 20 Ie (start value)
t = 70 ... 300.000 ms
IEC 60255-3
66 Number of starts
n(warm) = 1 ...10 (number of warm starts)
n(cold) = 1 ...10 (number of cold starts)
t = 1.02 .. 7200 s
T (warm) = 20 ... 200 °C (temperature limit warm start)
21+79 Distance protection with autoreclosing
System earthing = high/low ohmic
ct – grounding = line side, bus bar side
with/without earth start
switching onto faults = normal, overreach zone, trip after start
Signal comparison overreach scheme time set = 30 ….
300.000 ms
U / I- Start characteristic:
I>, IE> and IF> = 0,05 ... 4 In
UF< = 0,05 ... 0,9 Un
Phase selection = cyclic/acyclic
Earth factor:
k = 0,00 ... 10,00
ϕ (k) = -60 ... 60°
3 Impedance- and 1 overreachstage:
R = 0,05 ... 120 Ω (secondary values)
X = 0,05 ... 120 Ω (secondary values)
t = 20 ... 10.000 ms
1 directional stage
Direction 0 ... 90 bzw.-45 ... 135°
t = 25 ... 10.000 ms
1 non directional stage
t = 25 ... 10.000 ms
2 shots AR with short/long time reclosing
IEC 60255-16
87 Differential protection
Transformer group = 0 ... 11
Transformer earthing = primary and or secondary side
Nom. current In on the primary/secondary side of the
transformer = 0.00 ... 100.000A (prim value)
Threshold current = 0,10 ... 0,50 In
Unbiased region limit = 0.50 … 5 In
Slightly biased region threshold = 0,20 ... 2 In
Slightly biased region limit = 1,00 ... 10,0 In
Slope = 0,40 ... 1,00
Trip with Id> = 5,00 ... 40 Ina
Blocking by 2nd harmonic = 0.10 … 0.30 In
Blocking by 5th harmonic = 0.10 … 0.30 In
IEC 60255-13
REF 542plus switchbay protection and control unit
Manual Part 3
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