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DI810 3BSE008508R1處理器模塊
雙回線路零序補償
雙回線零序補償因子的幅值和相位角使用參數(shù)設置“k0m”和“k0mAng”。該補償僅適用于1區(qū)
以及2、超范圍區(qū)和反向區(qū)。3.5.31.3.2.定向元件（見第4.8.2.4節(jié)。）
每個距離區(qū)都有自己的方向測量元件。
用于測量的電壓取決于與參數(shù)“UminFault”相關的故障電壓。這個
如果故障電壓高于“無故障”和從正常電壓導出的電壓，以及
當存儲器電壓降到以下時使用存儲器電壓。常規(guī)v.t的建議設置為0.1 UN。
是否無法正確確定方向（參考電壓過低或存儲器電壓衰減），參數(shù)“MemDirMode”的設置決定
保護塊或跳閘：塊保護塊所有區(qū)域
（僅限定向區(qū)域）條件。跳閘保護塊，除非瞬時和前面的區(qū)域方向相反，在在這種情況下保護跳閘。
3.5.31.3.3.超范圍區(qū)域
設置包括名稱“4/OR”（“X（4/OR）”…延遲（4和/或）’可用于第四測量區(qū)或
完全獨立的超范圍區(qū)域（但不適用于兩個區(qū)域同時）通過適當設置參數(shù)“延遲（4）或（見第3.5.31.3.5節(jié)）。在需要第四個區(qū)域的應用中第二個區(qū)域用于超范圍。
切換到故障時，需要一個超范圍區(qū)域，并且區(qū)域擴展邏輯和超范圍轉(zhuǎn)換跳閘計劃。
3.5.31.3.4.反向區(qū)（返回）
在阻塞方案中使用反向測量區(qū)，并且以及用于檢測故障能量方向反轉(zhuǎn)的邏輯。它使用參數(shù)“X（后）”、“R（后）”和“RR（后）”設置和“RRE（返回）”，其設置范圍為0到-300/博士。
Zero-sequence compensation of double-circuit lines
The magnitude and phase-angle of the zero-sequence compensation factor for a double-circuit line are set using parameters
‘k0m’ and ‘k0mAng’. This compensation only applies to Zones 1
and 2, the overreaching zone and the reverse zone.
3.5.31.3.2. Directional element
(see Section 4.8.2.4.)
Each distance zone has its own directional measuring element.
The voltage used for measurement depends on the amplitude of
the fault voltage in relation to the parameter ‘UminFault’. The
fault voltage is used, providing it is higher than the setting of
‘UminFault’, and a voltage derived from the healthy voltage and
the memory voltage is used when it falls below. The recommended settings are 0.1 UN for conventional v.t's.
Should correct determination of direction not be possible
(reference voltage too low or memory voltage decayed), the setting of the parameter ‘MemDirMode’ determines whether the
protection blocks or trips:
Block protection blocks all zones
(definitive zone only if directional)Cond. trip Protection blocks unless the instantaneous and
preceding zones are in opposite directions, in
which case the protection trips.
3.5.31.3.3. Overreaching zone
(OR)
The settings including the designation ‘4/OR’ (‘X (4/OR)’ ... delay
(4/OR)’) can be used either for a fourth measuring zone or a
completely independent overreaching zone (but not for both at
the same time) by appropriately setting the parameter ‘Delay
(4/OR)’ (see Section 3.5.31.3.5).
In applications requiring a fourth zone, the measuring unit of the
second zone is used for overreaching.
An overreaching zone is necessary for the switch-onto-fault and
zone extension logics and for overreaching transfer tripping
schemes.
3.5.31.3.4. Reverse zone
(BACK)
A reverse measuring zone is used in a blocking scheme and
also the logic for detecting a reversal of fault energy direction. It
is set using the parameters ‘X (BACK)’, ‘R (BACK)’, ‘RR (BACK)’
and ‘RRE (BACK)’ which have setting ranges from 0 to -300
